Granted Patent
Utility
US 5,481,537 · App. 08/221,138
Transmission signalling technique for a reservation request
Inventors:
Kenneth J. Crisler, Michael L. Needham
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Mar 31, 1994
Inventors
Kenneth J. Crisler
Michael L. Needham
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.