Granted Patent
Utility
US 5,144,278 · App. 07/388,185
Variable impedance device and circuit for sensing adjustment thereof
Inventors:
Robin C. Moseley, Jonathan A. Barney, Arjuna Ragunath Karunaratne
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Aug 1, 1989
Inventors
Robin C. Moseley
Jonathan A. Barney
Arjuna Ragunath Karunaratne
Assignee (at issue)
Lutron Electronics Co., 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.