Granted Patent
Utility
US 5,287,543 · App. 07/772,207
Multichannel communication system with an amplifier in each channel
Inventor:
Herbert J. Wolkstein
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Oct 7, 1991
Inventor
Herbert J. Wolkstein
Assignee (at issue)
General Electric Company
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.