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                        3757638
                                - 
                                    Patent number 3,757,638
                                
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                                    Issue date Sep 11, 1973
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        3279322
                                - 
                                    Patent number 3,279,322
                                
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                                    Issue date Oct 18, 1966
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        2448200
                                - 
                                    Patent number 2,448,200
                                
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                                    Issue date Aug 31, 1948
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        2277997
                                - 
                                    Patent number 2,277,997
                                
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                                    Issue date Mar 31, 1942
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        2084061
                                - 
                                    Patent number 2,084,061
                                
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                                    Issue date Jun 15, 1937
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1915506
                                - 
                                    Patent number 1,915,506
                                
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                                    Issue date Jun 27, 1933
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1858898
                                - 
                                    Patent number 1,858,898
                                
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                                    Issue date May 17, 1932
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1512574
                                - 
                                    Patent number 1,512,574
                                
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                                    Issue date Oct 21, 1924
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1485536
                                - 
                                    Patent number 1,485,536
                                
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                                    Issue date Mar 4, 1924
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1364524
                                - 
                                    Patent number 1,364,524
                                
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                                    Issue date Jan 4, 1921
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1306266
                                - 
                                    Patent number 1,306,266
                                
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                                    Issue date Jun 10, 1919
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1100990
                                - 
                                    Patent number 1,100,990
                                
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                                    Issue date Jun 23, 1914
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1038855
                                - 
                                    Patent number 1,038,855
                                
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                                    Issue date Sep 17, 1912
                                
 
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                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        1025152
                                - 
                                    Patent number 1,025,152
                                
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                                    Issue date May 7, 1912
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        937707
                                - 
                                    Patent number 937,707
                                
- 
                                    Issue date Oct 19, 1909
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        865188
                                - 
                                    Patent number 865,188
                                
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                                    Issue date Sep 3, 1907
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        800667
                                - 
                                    Patent number 800,667
                                
- 
                                    Issue date Oct 3, 1905
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        757562
                                - 
                                    Patent number 757,562
                                
- 
                                    Issue date Apr 19, 1904
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        755849
                                - 
                                    Patent number 755,849
                                
- 
                                    Issue date Mar 29, 1904
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        748844
                                - 
                                    Patent number 748,844
                                
- 
                                    Issue date Jan 5, 1904
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        698709
                                - 
                                    Patent number 698,709
                                
- 
                                    Issue date Apr 29, 1902
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        618894
                                - 
                                    Patent number 618,894
                                
- 
                                    Issue date Feb 7, 1899
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        599054
                                - 
                                    Patent number 599,054
                                
- 
                                    Issue date Feb 15, 1898
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        594065
                                - 
                                    Patent number 594,065
                                
- 
                                    Issue date Nov 23, 1897
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        589010
                                - 
                                    Patent number 589,010
                                
- 
                                    Issue date Aug 31, 1897
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        589011
                                - 
                                    Patent number 589,011
                                
- 
                                    Issue date Aug 31, 1897
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        540095
                                - 
                                    Patent number 540,095
                                
- 
                                    Issue date May 28, 1895
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        493151
                                - 
                                    Patent number 493,151
                                
- 
                                    Issue date Mar 7, 1893
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
 
 
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                        477737
                                - 
                                    Patent number 477,737
                                
- 
                                    Issue date Jun 28, 1892
                                
 
                                - 
                                         B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR