John J. Velinski

Person

  • Chicago, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Key lock with removable plug

    • Patent number 5,964,110
    • Issue date Oct 12, 1999
    • The Eastern Company
    • John J. Crocco
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES