Alex P. Janssen Jr.

Person

  • Earlysville, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge forming and attaching apparatus

    • Patent number 4,603,454
    • Issue date Aug 5, 1986
    • Alex P. Janssen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...