Granted Patent
Utility
US 5,481,562 · App. 07/678,755
Multi-mode modem and data transmission method
Inventors:
Gregory William Pearson, Nathan R. Melhorn, Michael F. Onarato, Craig A. Richards
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Apr 1, 1991
Inventors
Gregory William Pearson
Nathan R. Melhorn
Michael F. Onarato
Craig A. Richards
Assignee (at issue)
Microcom Systems, 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.