Granted Patent
Utility
US 4,768,532 · App. 07/006,178
Underwater pool cleaner
Inventor:
Bruce Johnson
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Jan 23, 1987
Inventor
Bruce Johnson
Assignee (at issue)
Jandy Industries 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.