Granted Patent
Utility
US 6,771,981 · App. 09/675,618
Electronic device cover with embedded radio frequency (RF) transponder and methods of using same
Inventors:
Thomas W. Zalewski, Michael Pennington, Randall C. Roberts, Steven A. Shaw
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Sep 29, 2000
Inventors
Thomas W. Zalewski
Michael Pennington
Randall C. Roberts
Steven A. Shaw
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.