TREA

Alfred Bergeron

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing fully sealed piston ring
    • Patent number 4,192,051
    • Issue date Mar 11, 1980
    • Alfred Bergeron
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Coupled piston ring method of manufacture
    • Patent number 3,991,455
    • Issue date Nov 16, 1976
    • Alfred Bergeron
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Piston ring structure
    • Patent number 3,949,997
    • Issue date Apr 13, 1976
    • Alfred Bergeron
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...