Granted Patent
Utility
US 4,824,087 · App. 07/197,721
Clamp
Inventor:
Clifford Hannel
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: May 23, 1988
Inventor
Clifford Hannel
Assignee (at issue)
Lockheed 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.