Granted Patent
Utility
US 4,887,293 · App. 07/158,347
Trunk circuit with loop length gain equalization
Inventor:
Gerald Molnar
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Feb 22, 1988
Inventor
Gerald Molnar
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.