Granted Patent
Utility
US 6,230,732 · App. 09/310,573
Safety valve for a liquid tank
Inventors:
Patrick Ganachaud, Alain Denis
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: May 12, 1999
Inventors
Patrick Ganachaud
Alain Denis
Assignee (at issue)
Solvay SA
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.