Granted Patent
Utility
US 6,223,348 · App. 08/923,373
Universal remote control system
Inventors:
Patrick H. Hayes, Robert Campbell
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Sep 3, 1997
Inventors
Patrick H. Hayes
Robert Campbell
Assignee (at issue)
Universal Electronics 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.