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Toric surface generator
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Patent number 4,264,249
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Issue date Apr 28, 1981
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American Optical Corporation
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W. Clifford Dawson
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B24 - GRINDING POLISHING
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3851992
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Patent number 3,851,992
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Issue date Dec 3, 1974
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3693499
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Patent number 3,693,499
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Issue date Sep 26, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2590042
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Patent number 2,590,042
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Issue date Mar 18, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2322127
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Patent number 2,322,127
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Issue date Jun 15, 1943
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2184608
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Patent number 2,184,608
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Issue date Dec 26, 1939
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2164642
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Patent number 2,164,642
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Issue date Jul 4, 1939
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1925499
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Patent number 1,925,499
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Issue date Sep 5, 1933
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1711801
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Patent number 1,711,801
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Issue date May 7, 1929
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1682412
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Patent number 1,682,412
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Issue date Aug 28, 1928
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B24 - GRINDING POLISHING
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1680853
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Patent number 1,680,853
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Issue date Aug 14, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1666313
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Patent number 1,666,313
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Issue date Apr 17, 1928
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B24 - GRINDING POLISHING
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1580006
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Patent number 1,580,006
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Issue date Apr 6, 1926
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1426091
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Patent number 1,426,091
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Issue date Aug 15, 1922
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1021941
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Patent number 1,021,941
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Issue date Apr 2, 1912
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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658277
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Patent number 658,277
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Issue date Sep 18, 1900
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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264628
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Patent number 264,628
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Issue date Sep 19, 1882
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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121230
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Patent number 121,230
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Issue date Nov 28, 1871
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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67584
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Patent number 67,584
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Issue date Aug 6, 1867
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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15403
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Patent number 15,403
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Issue date Jul 22, 1856
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS