Granted Patent
Utility
US 4,844,210 · App. 07/158,540
Line clamp
Inventor:
Kwok-Ping Wong
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Feb 22, 1988
Inventor
Kwok-Ping Wong
Assignee (at issue)
Otis Engineering 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.