IP Library Granted Patent US 5,504,485
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,504,485
App. No.
08/278,276
Filed
1994-07-21
Granted
1996-04-02
Kind
A