Granted Patent
Utility
US 5,794,822 · App. 08/633,894
Reciprocating fluid pump with improved bottle seal
Inventor:
Donald D. Foster
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Apr 17, 1996
Inventor
Donald D. Foster
Assignee (at issue)
Contico International, LLC
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.