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Gregory D. De Boer

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  • Pella, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding tilt mechanism for horizontal slatted blinds
    • Patent number 5,934,351
    • Issue date Aug 10, 1999
    • Pella Corporation
    • Rashid Bharucha
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Window fin corner piece
    • Patent number 5,927,039
    • Issue date Jul 27, 1999
    • Pella Corporation
    • Gregory D. De Boer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS