Granted Patent
Utility
US 5,873,039 · App. 08/877,244
Cellular telephone-modem interface for data communication
Inventor:
Hamid Najafi
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jun 17, 1997
Inventor
Hamid Najafi
Assignee (at issue)
Interonics 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.