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Roy A. Giacomazzi

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  • Rochester Hills, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Evaporative emission control system with vent valve
    • Patent number 5,437,257
    • Issue date Aug 1, 1995
    • General Motors Corporation
    • Roy A. Giacomazzi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two cycle engine vapor emission control
    • Patent number 4,993,225
    • Issue date Feb 19, 1991
    • General Motors Corporation
    • Roy A. Giacomazzi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vehicle fuel system with reduced tank heating
    • Patent number 4,989,572
    • Issue date Feb 5, 1991
    • General Motors Corporation
    • Roy A. Giacomazzi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Combination filler pipe and vapor control means
    • Patent number 4,881,578
    • Issue date Nov 21, 1989
    • General Motors Corporation
    • Gregory E. Rich
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel tank venting
    • Patent number 4,798,306
    • Issue date Jan 17, 1989
    • General Motors Corporation
    • Roy A. Giacomazzi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vapor venting valve for vehicle fuel system
    • Patent number 4,765,504
    • Issue date Aug 23, 1988
    • General Motors Corporation
    • Carl H. Sherwood
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel tank venting
    • Patent number 4,724,861
    • Issue date Feb 16, 1988
    • General Motors Corporation
    • Charles H. Covert
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fuel tank venting
    • Patent number 4,673,009
    • Issue date Jun 16, 1987
    • General Motors Corporation
    • Roy A. Giacomazzi
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Fuel fill tube with vapor vent and overfill protection
    • Patent number 4,630,749
    • Issue date Dec 23, 1986
    • General Motors Corporation
    • Donald J. Armstrong
    • B60 - VEHICLES IN GENERAL