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2560944
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Patent number 2,560,944
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Issue date Jul 17, 1951
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B24 - GRINDING POLISHING
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2548923
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Patent number 2,548,923
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Issue date Apr 17, 1951
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2541873
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Patent number 2,541,873
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Issue date Feb 13, 1951
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B24 - GRINDING POLISHING
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2509957
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Patent number 2,509,957
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Issue date May 30, 1950
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2482729
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Patent number 2,482,729
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Issue date Sep 20, 1949
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2463799
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Patent number 2,463,799
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Issue date Mar 8, 1949
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2437668
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Patent number 2,437,668
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Issue date Mar 16, 1948
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2413016
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Patent number 2,413,016
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Issue date Dec 24, 1946
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2400912
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Patent number 2,400,912
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Issue date May 28, 1946
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2388355
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Patent number 2,388,355
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Issue date Nov 6, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2372699
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Patent number 2,372,699
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Issue date Apr 3, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2369925
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Patent number 2,369,925
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Issue date Feb 20, 1945
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2186770
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Patent number 2,186,770
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Issue date Jan 9, 1940
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2097730
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Patent number 2,097,730
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Issue date Nov 2, 1937
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B24 - GRINDING POLISHING
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2089040
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Patent number 2,089,040
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Issue date Aug 3, 1937
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B24 - GRINDING POLISHING
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2060358
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Patent number 2,060,358
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Issue date Nov 10, 1936
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2054028
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Patent number 2,054,028
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Issue date Sep 8, 1936
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2003905
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Patent number 2,003,905
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Issue date Jun 4, 1935
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B24 - GRINDING POLISHING
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1972160
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Patent number 1,972,160
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Issue date Sep 4, 1934
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B24 - GRINDING POLISHING
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1971790
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Patent number 1,971,790
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Issue date Aug 28, 1934
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1955128
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Patent number 1,955,128
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Issue date Apr 17, 1934
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B24 - GRINDING POLISHING
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1954465
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Patent number 1,954,465
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Issue date Apr 10, 1934
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1940178
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Patent number 1,940,178
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Issue date Dec 19, 1933
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1915016
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Patent number 1,915,016
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Issue date Jun 20, 1933
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B24 - GRINDING POLISHING
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1904178
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Patent number 1,904,178
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Issue date Apr 18, 1933
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B60 - VEHICLES IN GENERAL
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1783960
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Patent number 1,783,960
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Issue date Dec 9, 1930
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B24 - GRINDING POLISHING
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1777423
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Patent number 1,777,423
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1771408
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Patent number 1,771,408
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Issue date Jul 29, 1930
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B24 - GRINDING POLISHING
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1731010
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Patent number 1,731,010
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Issue date Oct 8, 1929
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1723961
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Patent number 1,723,961
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Issue date Aug 6, 1929
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B24 - GRINDING POLISHING