Granted Patent
Utility
US 5,803,073 · App. 08/613,070
Second stage scuba diving regulator having a pneumatic-dependent anti-set feature
Inventor:
Douglas J. Toth
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Mar 8, 1996
Inventor
Douglas J. Toth
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.