Granted Patent
Utility
US 4,886,939 · App. 07/241,064
Cable sealing device and method
Inventor:
Frank R. Kinnan
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Sep 6, 1988
Inventor
Frank R. Kinnan
Assignee (at issue)
Conductron 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.