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Gas generating device
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Patent number 6,513,602
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Issue date Feb 4, 2003
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Universal Propolsion Company
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Donald J. Lewis
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A62 - LIFE-SAVING FIRE-FIGHTING
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Air bag module
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Patent number 6,425,601
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Issue date Jul 30, 2002
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Universal Propulsion Company, Inc.
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Donald J. Lewis
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B60 - VEHICLES IN GENERAL
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Side impact air bag system
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Patent number 6,142,508
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Issue date Nov 7, 2000
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Universal Propulsion Company, Inc.
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Donald J. Lewis
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B60 - VEHICLES IN GENERAL
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Delay ordnance system
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Patent number 5,623,117
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Issue date Apr 22, 1997
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Universal Propulsion Company, Inc.
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Donald J. Lewis
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F42 - AMMUNITION BLASTING
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Self-powered delayed ordnance
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Patent number 5,507,230
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Issue date Apr 16, 1996
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Universal Propulsion Company, Inc.
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Donald J. Lewis
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F42 - AMMUNITION BLASTING
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Delay ordnance system
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Patent number 5,499,579
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Issue date Mar 19, 1996
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Universal Propulsion Company, Inc.
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Donald J. Lewis
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F42 - AMMUNITION BLASTING
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Timing and firing circuitry
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Patent number 5,335,598
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Issue date Aug 9, 1994
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Universal Propulsion Company, Inc.
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Donald J. Lewis
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F42 - AMMUNITION BLASTING