Granted Patent
Utility
US 4,577,910 · App. 06/607,061
Quick release valve arrangement
Inventor:
Robert J. Worbois
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: May 4, 1984
Inventor
Robert J. Worbois
Assignee (at issue)
American Standard 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.