Granted Patent
Utility
US 5,878,078 · App. 08/698,121
Pass-through modem supporting both analog and digital cellular data communications
Inventors:
Lee Daniel Griffin, Carlos E. Vidales
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Aug 15, 1996
Inventors
Lee Daniel Griffin
Carlos E. Vidales
Assignee (at issue)
ERICSSON GMBH
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.