Granted Patent
Utility
US 5,108,013 · App. 07/456,603
Pump for dispensing liquid from a container
Inventor:
Owen F. VanBrocklin
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: Dec 22, 1989
Inventor
Owen F. VanBrocklin
Assignee (at issue)
Risdon Corporation
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.