Granted Patent
Utility
US 5,602,902 · App. 08/410,212
Four wire modem signal switching for voice and data applications
Inventors:
Nels E. Satterlund, Glenn M. Lewis
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Mar 24, 1995
Inventors
Nels E. Satterlund
Glenn M. Lewis
Assignee (at issue)
Intel 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.