Granted Patent
Utility
US 5,815,809 · App. 08/634,305
Mobile earth terminal communication device providing voice, data, facsimile, and/or roaming communication features
Inventors:
Michael K. Ward, Gary G. Churan, William R. Tisdale, David J. Ross
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Apr 16, 1996
Inventors
Michael K. Ward
Gary G. Churan
William R. Tisdale
David J. Ross
Assignee (at issue)
AMSC Subsidiary Corporation
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.