Granted Patent
Utility
US 4,805,196 · App. 07/043,871
Line delay compensation for digital transmission systems utilizing low power line drivers
Inventors:
Michael Cooperman, Richard W. Sieber
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Apr 29, 1987
Inventors
Michael Cooperman
Richard W. Sieber
Assignee (at issue)
GTE Laboratories Incorporated
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.