Granted Patent
Utility
US 6,684,080 · App. 09/058,687
Trunked radio repeater communication system including home channel aliasing and call grouping
Inventors:
Keith Barnes, Rory A. Smith, Mervin L. Grindahl
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Apr 10, 1998
Inventors
Keith Barnes
Rory A. Smith
Mervin L. Grindahl
Assignee (at issue)
Transcrypt Internationall E. F. Johnson Company
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.