Granted Patent
Utility
US 5,195,720 · App. 07/916,707
Flush valve cover
Inventors:
Richard A. Nortier, John F. Whiteside
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Jul 22, 1992
Inventors
Richard A. Nortier
John F. Whiteside
Assignee (at issue)
Sloan Valve 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.