Granted Patent
Utility
US 5,909,640 · App. 08/944,832
Wireless communication system for adapting to frequency drift
Inventors:
Leland M. Farrer, Joseph S. Chan, Robert F. Garry, Jr., Charles A. Glorioso, Norman F. Krasner
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Oct 6, 1997
Inventors
Leland M. Farrer
Joseph S. Chan
Robert F. Garry, Jr.
Charles A. Glorioso
Norman F. Krasner
Assignee (at issue)
Whisper Communications, 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.