Granted Patent
Utility
US 3,930,516 · App. 05/529,733
Ballcock assembly
Inventors:
Vaughn D. Flinner, Dana D. Zody
Patented Case
View Patent ↗
Granted: Jan 6, 1976
Filed: Dec 5, 1974
Inventors
Vaughn D. Flinner
Dana D. Zody
Assignee (at issue)
Mansfield Sanitary 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.