Granted Patent
Utility
US 5,294,093 · App. 08/009,687
Safety valve
Inventors:
Jean L. Huveteau, Gerard Line
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Jan 27, 1993
Inventors
Jean L. Huveteau
Gerard Line
Assignee (at issue)
Watts Investment Company
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.