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Bi-directional tapered roller clutch
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Patent number 5,392,887
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Issue date Feb 28, 1995
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Introl Company, L.P.
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Jules Nisenson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Spring clutches
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Patent number 4,433,765
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Issue date Feb 28, 1984
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General Clutch Corp.
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Edward T. Rude
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Reversible tool handle
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Patent number 4,427,100
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Issue date Jan 24, 1984
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General Clutch Corp.
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Edward T. Rude
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Bi-directional clutch
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Patent number 4,372,432
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Issue date Feb 8, 1983
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General Clutch Corp.
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Martin Waine
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS