Granted Patent
Utility
US 5,887,763 · App. 08/925,964
Reciprocating fluid pump with bottle closure having inner and outer rim seals
Inventor:
Donald D. Foster
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Sep 9, 1997
Inventor
Donald D. Foster
Assignee (at issue)
Continental Sprayers International, 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.