TREA

National Foundry Sand Company

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Organization

  • Detroit, MI, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Crossing gate
    • Patent number 3,994,457
    • Issue date Nov 30, 1976
    • National Foundry Sand Company
    • William A. Teasel
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    72076968 - JET LINER
    • Serial number 72076968
    • Registration number 710201
    • Filing date Jul 2, 1959
    • National Foundry Sand Company
    • 7 - Machines and machine tools