TREA

Laude E. Hartrum

Follow

Person

  • Pentwater, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Interlock assembly
    • Patent number 5,335,986
    • Issue date Aug 9, 1994
    • Metalworks, Inc.
    • Laude E. Hartrum
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Horizontal file drawer interlock assembly
    • Patent number 4,732,434
    • Issue date Mar 22, 1988
    • Metalworks, Inc.
    • Laude E. Hartrum
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES