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Draw works
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Patent number 4,488,708
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Issue date Dec 18, 1984
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James A. Frye
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B66 - HOISTING LIFTING HAULING
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Multiple drum winches
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Patent number 4,449,697
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Issue date May 22, 1984
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Hicks Transmissions Limited
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Raymond J. Hicks
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B66 - HOISTING LIFTING HAULING
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Winch
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Patent number 4,143,855
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Issue date Mar 13, 1979
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Lewmar Marine Limited
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John D. Burton
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B66 - HOISTING LIFTING HAULING
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Winch valve drag brake control
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Patent number 4,090,693
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Issue date May 23, 1978
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Caterpillar Tractor Co.
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Richard F. Hoehn
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B66 - HOISTING LIFTING HAULING
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Winch with free-wheeling drum
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Patent number 4,078,770
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Issue date Mar 14, 1978
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Caterpillar Tractor Co.
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Lyle F. Yates
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B66 - HOISTING LIFTING HAULING
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-
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Self-tailing winch
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Patent number 3,968,953
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Issue date Jul 13, 1976
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Barient Company
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Jesus Guangorena
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B66 - HOISTING LIFTING HAULING
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3885656
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Patent number 3,885,656
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Issue date May 27, 1975
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B66 - HOISTING LIFTING HAULING
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3807697
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Patent number 3,807,697
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Issue date Apr 30, 1974
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B66 - HOISTING LIFTING HAULING
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3804370
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Patent number 3,804,370
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Issue date Apr 16, 1974
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B66 - HOISTING LIFTING HAULING
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3788607
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Patent number 3,788,607
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Issue date Jan 29, 1974
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B66 - HOISTING LIFTING HAULING
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3784165
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Patent number 3,784,165
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Issue date Jan 8, 1974
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B66 - HOISTING LIFTING HAULING
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3711065
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Patent number 3,711,065
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Issue date Jan 16, 1973
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B66 - HOISTING LIFTING HAULING
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3666239
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Patent number 3,666,239
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Issue date May 30, 1972
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B66 - HOISTING LIFTING HAULING
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3658299
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Patent number 3,658,299
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Issue date Apr 25, 1972
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B66 - HOISTING LIFTING HAULING
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3504891
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Patent number 3,504,891
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Issue date Apr 7, 1970
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B66 - HOISTING LIFTING HAULING
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3481583
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Patent number 3,481,583
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Issue date Dec 2, 1969
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B66 - HOISTING LIFTING HAULING
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3476361
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Patent number 3,476,361
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Issue date Nov 4, 1969
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3436056
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Patent number 3,436,056
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Issue date Apr 1, 1969
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B66 - HOISTING LIFTING HAULING
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3367633
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Patent number 3,367,633
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Issue date Feb 6, 1968
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B66 - HOISTING LIFTING HAULING
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3301532
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Patent number 3,301,532
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Issue date Jan 31, 1967
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B66 - HOISTING LIFTING HAULING
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3248088
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Patent number 3,248,088
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Issue date Apr 26, 1966
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B66 - HOISTING LIFTING HAULING
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3235229
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Patent number 3,235,229
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Issue date Feb 15, 1966
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3092369
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Patent number 3,092,369
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Issue date Jun 4, 1963
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B66 - HOISTING LIFTING HAULING
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3066917
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Patent number 3,066,917
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Issue date Dec 4, 1962
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B66 - HOISTING LIFTING HAULING
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3042375
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Patent number 3,042,375
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Issue date Jul 3, 1962
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B66 - HOISTING LIFTING HAULING
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3002728
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Patent number 3,002,728
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Issue date Oct 3, 1961
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B66 - HOISTING LIFTING HAULING
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2991046
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Patent number 2,991,046
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Issue date Jul 4, 1961
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B66 - HOISTING LIFTING HAULING