Granted Patent
Utility
US 6,477,370 · App. 09/114,289
Satellite trunked radio service system
Inventors:
C. Edward Sigler, Richard Sweet
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Jul 13, 1998
Inventors
C. Edward Sigler
Richard Sweet
Assignee (at issue)
Motient Service 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.