Steven M. Campbell

Follow

Person

Laguna Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Breathing mouthpiece for a snorkel
- Patent number 4,928,710
- Issue date May 29, 1990
- U.S. Divers Company, Inc.
- Steven M. Campbell
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Breathing mouthpiece for contacting upper palate and lower jaw of u...
- Patent number 4,862,903
- Issue date Sep 5, 1989
- U.S. Divers Company, Inc.
- Steven M. Campbell
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT