Granted Patent
Utility
US 4,237,352 · App. 06/027,797
Patch module for connecting to off-line transmission lines of a switchably selected pair of transmission lines
Inventor:
Lewis J. Seiden
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Apr 6, 1979
Inventor
Lewis J. Seiden
Assignee (at issue)
TBar, LLC
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.