Granted Patent
Utility
US 4,503,545 · App. 06/316,098
System for evaluating transmission line impairments
Inventors:
Gordon Bremer, Robert Wachtel
Patented Case
View Patent ↗
Granted: Mar 5, 1985
Filed: Oct 28, 1981
Inventors
Gordon Bremer
Robert Wachtel
Assignee (at issue)
PARADYNE 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.