Granted Patent
Utility
US 5,259,336 · App. 07/810,956
Combined automatic pet waterer and feeder
Inventor:
Fred C. Clark
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Dec 19, 1991
Inventor
Fred C. Clark
Assignee (at issue)
BLITZ U.S.A., 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.