Granted Patent
Utility
US 5,214,432 · App. 07/489,924
Broadband electromagnetic energy absorber
Inventors:
Raymond S. Kasevich, Michael T. Kocsik, Michael S. Heafey
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Feb 16, 1990
Inventors
Raymond S. Kasevich
Michael T. Kocsik
Michael S. Heafey
Assignee (at issue)
Chomerics, Inc.
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.