Granted Patent
Utility
US 4,832,382 · App. 07/148,733
Coupling device
Inventor:
Michael Kapgan
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Jan 25, 1988
Inventor
Michael Kapgan
Assignee (at issue)
Raychem Limited
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.