Granted Patent
Utility
US 5,593,136 · App. 08/286,651
Gas flow rate regulator
Inventors:
George Dennis Reed, Robert L. Weaver
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Aug 5, 1994
Inventors
George Dennis Reed
Robert L. Weaver
Assignee (at issue)
B & F Medical Products, Inc.
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.