Granted Patent
Utility
US 5,504,485 · App. 08/278,276
System for preventing reading of undesired RF signals
Inventors:
Jeremy A. Landt, Alfred R. Koelle, Donald F. Speirs
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jul 21, 1994
Inventors
Jeremy A. Landt
Alfred R. Koelle
Donald F. Speirs
Assignee (at issue)
AMTECH, LLC
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.