Granted Patent
Utility
US 5,192,007 · App. 07/631,958
Valve assembly for inverted dispensing from a container with a pump
Inventor:
Leonard A. Blomquist
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Dec 21, 1990
Inventor
Leonard A. Blomquist
Assignee (at issue)
Continental Plastic Containers, 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.