Granted Patent
Utility
US 4,534,036 · App. 06/447,989
Phase tracking loop impairment monitor for modems
Inventors:
William L. Betts, Kenneth Martinez
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Dec 8, 1982
Inventors
William L. Betts
Kenneth Martinez
Assignee (at issue)
PARADYNE 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.