Walter E. Cichonski

Person

  • Philadelphia, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,381,627
    • Issue date May 3, 1983
    • Stephen Laurie Manufacturing Company, Inc.
    • Walter E. Cichonski
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS