Granted Patent
Utility
US 4,680,781 · App. 06/793,583
Data telecommunications system and method with universal link establishment
Inventors:
Anthony P. Amundson, Nathan R. Melhorn
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Oct 30, 1985
Inventors
Anthony P. Amundson
Nathan R. Melhorn
Assignee (at issue)
MICROCOM 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.