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Robert S. Evers

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  • Pella, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Casement window operating assembly
    • Patent number 6,640,389
    • Issue date Nov 4, 2003
    • Pella Corporation
    • Marlo G. Van Klompenburg
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Casement window sash locking system
    • Patent number 5,603,538
    • Issue date Feb 18, 1997
    • Pella Corporation
    • Robert S. Evers
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Rollable window screen guide locking assembly
    • Patent number 5,092,388
    • Issue date Mar 3, 1992
    • Rolscreen Company
    • Robert S. Evers
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Removable locking lever for a casement window
    • Patent number 5,080,407
    • Issue date Jan 14, 1992
    • Rolscreen Company
    • Robert S. Evers
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Slat shade operator
    • Patent number 4,850,416
    • Issue date Jul 25, 1989
    • Rol Screen Company
    • Robert S. Evers
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • 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

Patents Applicationslast 30 patents