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Half-turn industrial fastener
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Patent number 4,746,151
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Issue date May 24, 1988
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Simmons Fastener Corporation
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Cuyler Hoen
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Fastener which rotates and clamps
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Patent number 4,727,629
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Issue date Mar 1, 1988
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Simmons Fastener Corporation
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Cuyler Hoen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Quarter-turn fastener
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Patent number 4,657,462
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Issue date Apr 14, 1987
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Simmons Fastener Corporation
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Cuyler Hoen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Spring-loaded toggle latch
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Patent number 4,522,436
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Issue date Jun 11, 1985
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Simmons Fastener Corporation
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Cuyler Hoen
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Quarter turn plug fastener
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Patent number 4,331,413
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Issue date May 25, 1982
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Simmons Fastener Corporation
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Cuyler Hoen
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Fastener with camming handle
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Patent number 4,232,890
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Issue date Nov 11, 1980
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Simmons Fastener Corporation
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Cuyler Hoen
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Rotatable locking fastener
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Patent number 4,213,230
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Issue date Jul 22, 1980
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Simmons Fastener Corporation
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Cuyler Hoen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Quarter turn industrial fastener
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Patent number 4,212,560
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Issue date Jul 15, 1980
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Simmons Fastener Corporation
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Frederick J. Pufpaff
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Half-turn actuated member
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Patent number 4,090,727
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Issue date May 23, 1978
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Simmons Fastener Corporation
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Kieran Busch
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES