Granted Patent
Utility
US 5,477,692 · App. 08/251,798
Metal sponge for cryosorption pumping applications
Inventors:
Ganapati Rao Myneni, Peter Kneisel
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: May 31, 1994
Inventors
Ganapati Rao Myneni
Peter Kneisel
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.