Granted Patent
Utility
US 5,647,068 · App. 08/426,774
Toilet flushing device with water saving features
Inventor:
Robert M. Jensen
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Apr 21, 1995
Inventor
Robert M. Jensen
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.