TREA

Don Martus

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  • Mt. Clemens, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chambered bottle cap
    • Patent number 4,932,543
    • Issue date Jun 12, 1990
    • Don Martus
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Stripped hex head drive socket
    • Patent number 4,607,547
    • Issue date Aug 26, 1986
    • Donald G. Martus
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tire pressure regulation system
    • Patent number 4,570,691
    • Issue date Feb 18, 1986
    • Donald G. Martus
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Chambered bottle cap
    • Patent number 4,502,604
    • Issue date Mar 5, 1985
    • Don Martus
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL