Granted Patent
Utility
US 4,987,394 · App. 07/130,192
Leaky cables
Inventors:
R. Keith Harman, Kenneth L. Smith
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Dec 1, 1987
Inventors
R. Keith Harman
Kenneth L. Smith
Assignee (at issue)
Senstar 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.