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Blade stropping apparatus
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Hacker Instruments, Inc.
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Ivan E. Hills
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B24 - GRINDING POLISHING
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3566854
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Patent number 3,566,854
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Issue date Mar 2, 1971
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B24 - GRINDING POLISHING
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3494081
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B24 - GRINDING POLISHING
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3468195
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Patent number 3,468,195
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3461616
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Patent number 3,461,616
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Issue date Aug 19, 1969
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B24 - GRINDING POLISHING
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3283665
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Patent number 3,283,665
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3238675
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Issue date Mar 8, 1966
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B24 - GRINDING POLISHING
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3071904
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B24 - GRINDING POLISHING
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2911762
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Patent number 2,911,762
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Issue date Nov 10, 1959
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B24 - GRINDING POLISHING
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2879779
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Patent number 2,879,779
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2863660
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B24 - GRINDING POLISHING
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2709874
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B24 - GRINDING POLISHING
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2692457
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B24 - GRINDING POLISHING
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2290964
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B24 - GRINDING POLISHING
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2164959
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B24 - GRINDING POLISHING
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2156038
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B24 - GRINDING POLISHING
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2001727
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B24 - GRINDING POLISHING
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1957602
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Patent number 1,957,602
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B24 - GRINDING POLISHING
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1937795
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Patent number 1,937,795
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B24 - GRINDING POLISHING
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1936075
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Patent number 1,936,075
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B24 - GRINDING POLISHING
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1915477
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Patent number 1,915,477
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B24 - GRINDING POLISHING
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1915478
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Patent number 1,915,478
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B24 - GRINDING POLISHING
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1914013
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Patent number 1,914,013
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B24 - GRINDING POLISHING
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1907595
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B24 - GRINDING POLISHING
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1902010
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Patent number 1,902,010
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B24 - GRINDING POLISHING
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1901829
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Patent number 1,901,829
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B24 - GRINDING POLISHING
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1897724
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Patent number 1,897,724
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B24 - GRINDING POLISHING
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1848204
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Patent number 1,848,204
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B24 - GRINDING POLISHING