Granted Patent
Utility
US 4,884,076 · App. 06/427,087
Foam supported electromagnetic energy reflecting device
Inventors:
Richard F. Schneeberger, Charles K. Akers
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Sep 29, 1982
Inventors
Richard F. Schneeberger
Charles K. Akers
Assignee (at issue)
Calspan Corporation
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.