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Asphalt improvement
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Patent number 5,580,376
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Issue date Dec 3, 1996
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Ashland Inc.
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Roger E. Hayner
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Wood tapping machine
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Patent number 5,244,320
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Issue date Sep 14, 1993
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Jeff Lin
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3444782
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Patent number 3,444,782
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Issue date May 20, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3408896
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Patent number 3,408,896
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Issue date Nov 5, 1968
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B24 - GRINDING POLISHING
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3203137
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Patent number 3,203,137
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Issue date Aug 31, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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3138065
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Patent number 3,138,065
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Issue date Jun 23, 1964
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B24 - GRINDING POLISHING
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2748663
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Patent number 2,748,663
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Issue date Jun 5, 1956
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2724306
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Patent number 2,724,306
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Issue date Nov 22, 1955
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B24 - GRINDING POLISHING
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2669811
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Patent number 2,669,811
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Issue date Feb 23, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2574111
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Patent number 2,574,111
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Issue date Nov 6, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2574112
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Patent number 2,574,112
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Issue date Nov 6, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2368342
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Patent number 2,368,342
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Issue date Jan 30, 1945
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B24 - GRINDING POLISHING
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2365746
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Patent number 2,365,746
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Issue date Dec 26, 1944
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2177319
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Patent number 2,177,319
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Issue date Oct 24, 1939
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2061778
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Patent number 2,061,778
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Issue date Nov 24, 1936
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1933362
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Patent number 1,933,362
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Issue date Oct 31, 1933
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1918626
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Patent number 1,918,626
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Issue date Jul 18, 1933
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1836954
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Patent number 1,836,954
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Issue date Dec 15, 1931
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1659247
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Patent number 1,659,247
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Issue date Feb 14, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1571331
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Patent number 1,571,331
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Issue date Feb 2, 1926
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1541549
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Patent number 1,541,549
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Issue date Jun 9, 1925
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1463019
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Patent number 1,463,019
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Issue date Jul 24, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1442774
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Patent number 1,442,774
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Issue date Jan 16, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1411718
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Patent number 1,411,718
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Issue date Apr 4, 1922
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1273904
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Patent number 1,273,904
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Issue date Jul 30, 1918
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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978097
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Patent number 978,097
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Issue date Dec 6, 1910
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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866953
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Patent number 866,953
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Issue date Sep 24, 1907
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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772362
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Patent number 772,362
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Issue date Oct 18, 1904
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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166121
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Patent number 166,121
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Issue date Jul 27, 1875
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR