Granted Patent
Utility
US 4,821,364 · App. 07/187,371
Fluid control valve
Inventors:
Tom A. McAllister, John S. McAllister, William R. Bonnar
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Apr 28, 1988
Inventors
Tom A. McAllister
John S. McAllister
William R. Bonnar
Assignee (at issue)
Amerimas Home Products, 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.