Keith L. Mathews

Person

  • San Francisco, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual backset latch

    • Patent number 4,834,432
    • Issue date May 30, 1989
    • Schlage Lock Company
    • Jon M. Smallegan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES