Granted Patent
Utility
US 4,716,539 · App. 06/687,875
Multiplier circuit for encoder PCM samples
Inventors:
Jeffrey Patrick Mills, Max S. Macrander
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Dec 31, 1984
Inventors
Jeffrey Patrick Mills
Max S. Macrander
Assignee (at issue)
GTE Communication Systems 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.