Granted Patent
Utility
US 5,995,551 · App. 08/912,225
Rotationally invariant pragmatic trellis coded digital communication system and method therefor
Inventors:
Ronald Duane McCallister, Bruce A. Cochran, John M. Liebetreu
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Aug 15, 1997
Inventors
Ronald Duane McCallister
Bruce A. Cochran
John M. Liebetreu
Assignee (at issue)
Sicom, 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.