TREA

STEDEF Inc.

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Organization

  • Falls Church, VA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Railroad tie cover
    • Patent number 4,609,144
    • Issue date Sep 2, 1986
    • Stedef S.A.
    • John L. Harmsen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railroad tie cover
    • Patent number 4,489,884
    • Issue date Dec 25, 1984
    • Stedef S.A.
    • John L. Harmsen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railroad tie cover
    • Patent number 4,356,968
    • Issue date Nov 2, 1982
    • Stedef S.A.
    • John L. Harmsen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rail fastener
    • Patent number 4,266,720
    • Issue date May 12, 1981
    • Stedef S.A.
    • John L. Harmsen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73311109 - FORTAX
    • Serial number 73311109
    • Registration number 1229254
    • Filing date May 19, 1981
    • STEDEF Inc.
    • 6 - Common metals and their alloys