Granted Patent
Utility
US 4,924,533 · App. 07/270,578
Coupling means for toilet tank and bowl assembly
Inventor:
Henry M. Stairs, Jr.
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Nov 14, 1988
Inventor
Henry M. Stairs, Jr.
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.