Granted Patent
Utility
US 4,918,761 · App. 07/201,147
Method of using a toilet-flange cast-in mount
Inventor:
Gerold J. Harbeke
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Jun 2, 1988
Inventor
Gerold J. Harbeke
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.