Granted Patent
Utility
US 5,113,160 · App. 07/522,131
Wide band cryogenic ultra-high vacuum microwave absorber
Inventor:
Isidoro E. Campisi
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: May 11, 1990
Inventor
Isidoro E. Campisi
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.