Granted Patent
Utility
US 5,433,985 · App. 08/213,666
Pool cleaner disc
Inventor:
David S. Atkins
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Mar 15, 1994
Inventor
David S. Atkins
Assignee (at issue)
Zarina Holdings C.V.
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.