Robert J. Janning Jr.

Follow

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Write protect device for a record disk assembly
- Patent number 4,737,876
- Issue date Apr 12, 1988
- Verbatim Corporation
- George W. Brock
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic record disk cleaning and stabilizing assembly
- Patent number 4,626,949
- Issue date Dec 2, 1986
- Verbatim Corporation
- George W. Brock
- G11 - INFORMATION STORAGE