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Wafer polishing apparatus
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Patent number 9,744,641
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Issue date Aug 29, 2017
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LG SILTRON INCORPORATED
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Kee Yun Han
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B24 - GRINDING POLISHING
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3225492
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Patent number 3,225,492
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Issue date Dec 28, 1965
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B24 - GRINDING POLISHING
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2715800
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Patent number 2,715,800
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Issue date Aug 23, 1955
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B24 - GRINDING POLISHING
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2610451
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Patent number 2,610,451
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Issue date Sep 16, 1952
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B24 - GRINDING POLISHING
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2308976
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Patent number 2,308,976
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Issue date Jan 19, 1943
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B24 - GRINDING POLISHING
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2291123
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Patent number 2,291,123
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Issue date Jul 28, 1942
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B24 - GRINDING POLISHING
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2241351
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Patent number 2,241,351
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Issue date May 6, 1941
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B24 - GRINDING POLISHING
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1963884
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Patent number 1,963,884
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Issue date Jun 19, 1934
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B24 - GRINDING POLISHING
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1784648
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Patent number 1,784,648
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Issue date Dec 9, 1930
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B24 - GRINDING POLISHING
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1656820
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Patent number 1,656,820
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Issue date Jan 17, 1928
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B24 - GRINDING POLISHING
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1638082
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Patent number 1,638,082
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Issue date Aug 9, 1927
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B24 - GRINDING POLISHING
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1610232
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Patent number 1,610,232
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Issue date Dec 14, 1926
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B24 - GRINDING POLISHING
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1610984
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Patent number 1,610,984
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Issue date Dec 14, 1926
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B24 - GRINDING POLISHING
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1609269
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Patent number 1,609,269
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Issue date Nov 30, 1926
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B24 - GRINDING POLISHING
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1605160
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Patent number 1,605,160
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Issue date Nov 2, 1926
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B24 - GRINDING POLISHING
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1605161
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Patent number 1,605,161
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Issue date Nov 2, 1926
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B24 - GRINDING POLISHING
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1579876
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Patent number 1,579,876
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Issue date Apr 6, 1926
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B24 - GRINDING POLISHING
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1576769
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Patent number 1,576,769
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Issue date Mar 16, 1926
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B24 - GRINDING POLISHING
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1577097
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Patent number 1,577,097
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Issue date Mar 16, 1926
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B24 - GRINDING POLISHING
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1516746
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Patent number 1,516,746
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Issue date Nov 25, 1924
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B24 - GRINDING POLISHING