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Descent controller
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Patent number 5,131,491
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Issue date Jul 21, 1992
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Frost Engineering Development Corp.
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Horace M. Varner
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A62 - LIFE-SAVING FIRE-FIGHTING
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Descent controller
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Patent number 5,038,888
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Issue date Aug 13, 1991
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Frost Engineering Development Corp.
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Horace M. Varner
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A62 - LIFE-SAVING FIRE-FIGHTING
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Parachute harness release mechanism
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Patent number 4,042,194
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Issue date Aug 16, 1977
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Frost Engineering Development Corporation
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Richard H. Frost
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Releasable fastener
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Patent number 3,986,234
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Issue date Oct 19, 1976
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Frost Engineering Development Corporation
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Richard H. Frost
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A44 - HABERDASHERY JEWELLERY
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