Granted Patent
Utility
US 5,313,493 · App. 07/532,283
Plural-differential, phase-shift-keyed modulation, communication system
Inventor:
Santanu Dutta
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Jun 1, 1990
Inventor
Santanu Dutta
Assignee (at issue)
Rockwell International 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.