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Bobbyjack
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Patent number 8,596,612
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Issue date Dec 3, 2013
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Bob J. Green
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B66 - HOISTING LIFTING HAULING
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Air balancing device
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Patent number 6,802,241
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Issue date Oct 12, 2004
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Hirotaka Engineering Ltd.
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Noboru Kimura
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B66 - HOISTING LIFTING HAULING
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Pressure regulating circuit
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Patent number 5,775,197
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Issue date Jul 7, 1998
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Hirotaka Engineering Co., Ltd.
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Noboru Kimura
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B66 - HOISTING LIFTING HAULING
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Fluid control system
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Patent number 4,754,692
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Issue date Jul 5, 1988
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Hitachi Juki Sekkei Co.
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Tokunao Yoshida
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B66 - HOISTING LIFTING HAULING
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Article exchanging apparatus
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Patent number 4,032,020
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Issue date Jun 28, 1977
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Sumitomo Chemical Company, Limited
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Shozo Kato
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3621756
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Patent number 3,621,756
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Issue date Nov 23, 1971
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B66 - HOISTING LIFTING HAULING
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3593980
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Patent number 3,593,980
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Issue date Jul 20, 1971
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B66 - HOISTING LIFTING HAULING
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3110177
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Patent number 3,110,177
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Issue date Nov 12, 1963
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B66 - HOISTING LIFTING HAULING
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3025702
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Patent number 3,025,702
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Issue date Mar 20, 1962
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B66 - HOISTING LIFTING HAULING
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2940608
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Patent number 2,940,608
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Issue date Jun 14, 1960
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B66 - HOISTING LIFTING HAULING
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2906248
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Patent number 2,906,248
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Issue date Sep 29, 1959
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B66 - HOISTING LIFTING HAULING
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2685423
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Patent number 2,685,423
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Issue date Aug 3, 1954
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B66 - HOISTING LIFTING HAULING
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2535961
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Patent number 2,535,961
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Issue date Dec 26, 1950
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B66 - HOISTING LIFTING HAULING
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2480244
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Patent number 2,480,244
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Issue date Aug 30, 1949
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B66 - HOISTING LIFTING HAULING
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2384774
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Patent number 2,384,774
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Issue date Sep 11, 1945
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B66 - HOISTING LIFTING HAULING
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2188364
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Patent number 2,188,364
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Issue date Jan 30, 1940
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B66 - HOISTING LIFTING HAULING
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1924477
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Patent number 1,924,477
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Issue date Aug 29, 1933
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B66 - HOISTING LIFTING HAULING
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1690181
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Patent number 1,690,181
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Issue date Nov 6, 1928
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B66 - HOISTING LIFTING HAULING
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1645665
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Patent number 1,645,665
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Issue date Oct 18, 1927
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B66 - HOISTING LIFTING HAULING
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1630810
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Patent number 1,630,810
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Issue date May 31, 1927
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B66 - HOISTING LIFTING HAULING
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1518788
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Patent number 1,518,788
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Issue date Dec 9, 1924
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B66 - HOISTING LIFTING HAULING