Granted Patent
Utility
US 4,286,619 · App. 06/036,399
Ballcock assembly
Inventor:
Albert E. Straus
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: May 7, 1979
Inventor
Albert E. Straus
Assignee (at issue)
Hoover Universal, 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.