Granted Patent
Utility
US 4,776,759 · App. 07/130,798
Dry sun pump seal
Inventors:
Bruce W. Maskell, Jeff R. Soule
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Dec 9, 1987
Inventors
Bruce W. Maskell
Jeff R. Soule
Assignee (at issue)
Jacuzzi Whirlpool Bath
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.