TREA

Clayton E. Larson

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  • Brooklyn, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety stepladders
    • Patent number 4,332,308
    • Issue date Jun 1, 1982
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extension ladders with rotary hook locks
    • Patent number 4,266,631
    • Issue date May 12, 1981
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extension ladders
    • Patent number 4,222,460
    • Issue date Sep 16, 1980
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder constructions
    • Patent number 4,204,587
    • Issue date May 27, 1980
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Stepladders
    • Patent number 4,187,928
    • Issue date Feb 12, 1980
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Combination step, stair well and extension ladders
    • Patent number 4,155,422
    • Issue date May 22, 1979
    • White Metal Rolling & Stamping Corp.
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Stepladders
    • Patent number 4,079,814
    • Issue date Mar 21, 1978
    • White Metal Rolling & Stamping Corporation
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladders incorporating retractable ground spikes
    • Patent number 4,039,047
    • Issue date Aug 2, 1977
    • White Metal Rolling & Stamping Corporation
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Stability stepladders
    • Patent number 4,011,926
    • Issue date Mar 15, 1977
    • White Metal Rolling & Stamping Corporation
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extension ladder with ladder leveler means
    • Patent number 3,948,352
    • Issue date Apr 6, 1976
    • White Metal Rolling & Stamping Corporation
    • Clayton E. Larson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS