Christopher L. Frank

Follow

Person

Emeryville, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Articulating telephone base
- Patent number 6,215,869
- Issue date Apr 10, 2001
- Sony Corporation
- Chris Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker unit with boom microphone
- Patent number 6,058,184
- Issue date May 2, 2000
- Sony Corporation of Japan
- Christopher L. Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hands-free telephone cradle
- Patent number 6,002,765
- Issue date Dec 14, 1999
- Sony Corporation of Japan
- Christopher L. Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Articulating speaker and microphone for a wireless telephone with c...
- Patent number 5,991,646
- Issue date Nov 23, 1999
- Sony Corporation
- Christopher L. Frank
- B60 - VEHICLES IN GENERAL