TREA

Harlan E. Tarbell

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  • Torrance, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the treatment of mineral extender fillers
    • Patent number 4,671,973
    • Issue date Jun 9, 1987
    • Grefco, Inc.
    • Harlan E. Tarbell
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Splicing strip
    • Patent number 4,110,501
    • Issue date Aug 29, 1978
    • Grefco, Inc.
    • Harlan E. Tarbell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for producing an expansion joint cover
    • Patent number 4,073,673
    • Issue date Feb 14, 1978
    • Grefco, Inc.
    • Paul J. Raabe
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Sealing system
    • Patent number 4,067,155
    • Issue date Jan 10, 1978
    • Grefco, Inc.
    • David L. Ruff
    • E04 - BUILDING
  • Information Patent Grant

    Coating for porous surfaces
    • Patent number 3,978,264
    • Issue date Aug 31, 1976
    • Grefco, Inc.
    • Harlan E. Tarbell
    • B32 - LAYERED PRODUCTS