Granted Patent
Utility
US 6,550,256 · App. 09/941,344
Alternative backing up pump for turbomolecular pumps
Inventor:
Ganapati Rao Myneni
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Aug 29, 2001
Inventor
Ganapati Rao Myneni
Assignee (at issue)
Southeastern Universities Research Assn.
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.