Granted Patent
Utility
US 5,173,898 · App. 07/672,216
Multiple-access control for a communication system with order pad passing
Inventors:
Peter L. Heinzmann, Johann Mueller, Mehdi M. Nassehi
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: Mar 20, 1991
Inventors
Peter L. Heinzmann
Johann Mueller
Mehdi M. Nassehi
Assignee (at issue)
International Business Machines 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.