Granted Patent
Utility
US 5,819,184 · App. 08/496,282
Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages
Inventor:
Russell P. Cashman
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jun 28, 1995
Inventor
Russell P. Cashman
Assignee (at issue)
Pacific Communication Sciences, 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.