TREA

Herman S. Kuyper

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  • Knoxville, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operator for a slat shade assembly
    • Patent number 4,274,469
    • Issue date Jun 23, 1981
    • Rolscreen Company
    • Herman S. Kuyper
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Pivot window construction
    • Patent number 4,086,727
    • Issue date May 2, 1978
    • Rolscreen Company
    • Herman S. Kuyper
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES