TREA

Roger A. Vitt

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  • Indianapolis, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Removable cylinder locked mullion assembly
    • Patent number 5,450,697
    • Issue date Sep 19, 1995
    • Von Duprin, Inc.
    • Matthew S. Prucinsky
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Latch and rod guard assembly
    • Patent number 5,042,852
    • Issue date Aug 27, 1991
    • Von Duprin, Inc.
    • Roger A. Vitt
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES