Granted Patent
Utility
US 6,450,772 · App. 09/419,959
Compact molecular drag vacuum pump
Inventors:
Marc Oliver, Stephen C. Jacobsen, David F. Knutti
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Oct 18, 1999
Inventors
Marc Oliver
Stephen C. Jacobsen
David F. Knutti
Assignee (at issue)
Sarcos, LC
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.