Granted Patent
Utility
US 5,201,433 · App. 07/786,497
Escutcheon for covering concealed sanitary fittings
Inventor:
Alfons Thul
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Nov 1, 1991
Inventor
Alfons Thul
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.