Granted Patent
Utility
US 4,926,467 · App. 07/388,942
Line card with distributed signaling voltages
Inventor:
Rolf Meier
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Aug 3, 1989
Inventor
Rolf Meier
Assignee (at issue)
Mitel 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.