Granted Patent
Utility
US 5,602,912 · App. 08/591,209
Telephone hybrid circuit
Inventor:
Russell Hershbarger
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Jan 17, 1996
Inventor
Russell Hershbarger
Assignee (at issue)
SILICONSYSTEMS, INC.
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.