Granted Patent
Utility
US 4,402,079 · App. 06/200,341
Delay correction circuit
Inventors:
Frank Fellinger, James M. Ruffing
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Oct 24, 1980
Inventors
Frank Fellinger
James M. Ruffing
Assignee (at issue)
International Telephone and Telegraph 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.