Granted Patent
Utility
US 5,799,690 · App. 08/692,298
Volumetric pump valve
Inventors:
Stephen C. Jacobsen, Clark C. Davis
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Aug 5, 1996
Inventors
Stephen C. Jacobsen
Clark C. Davis
Assignee (at issue)
Sarcos Corp.
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.