Granted Patent
Utility
US 5,717,830 · App. 08/657,479
Satellite trunked radio service system
Inventors:
C. Edward Sigler, Richard Sweet
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: May 29, 1996
Inventors
C. Edward Sigler
Richard Sweet
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.