Richard M. Ruggiero Sr.

Person

  • Danbury, CT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Tamper proof set screw

    • Patent number 6,209,575
    • Issue date Apr 3, 2001
    • International Business Machines Corporation
    • Stephen J. Graziano
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES