Frankie Chen

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6513525	Triplicate diving gas valve device	—	2003-02-04
6332464	Scuba diving regulator	—	2001-12-25
5951205	Amphibious audible alarm device	—	1999-09-14
5788415	Integrally-encased diving control valve means	—	1998-08-04