David L. Bobert

Follow

Person

Eagan, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tamperproof lock for vending machines
- Patent number 4,843,853
- Issue date Jul 4, 1989
- Protocol, Inc.
- David L. Bobert
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES