TREA

Barton G. Hansen

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  • Cheektowaga, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Corner key reinforcement brace
    • Patent number 4,024,691
    • Issue date May 24, 1977
    • Roblin Industries, Inc.
    • Barton G. Hansen
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Suspended ceiling structure
    • Patent number 4,019,300
    • Issue date Apr 26, 1977
    • Roblin Industries, Inc.
    • Gale E. Sauer
    • E04 - BUILDING
  • Information Patent Grant

    Modular wall construction
    • Patent number 4,018,020
    • Issue date Apr 19, 1977
    • Roblin Industries, Inc.
    • Gale E. Sauer
    • E04 - BUILDING