Laszlo Keszthelyi

Person

  • College Point, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic door control system

    • Patent number 5,651,162
    • Issue date Jul 29, 1997
    • Laszlo Keszthelyi
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES