Granted Patent
Utility
US 4,845,814 · App. 07/273,736
Wedge socket
Inventor:
Edward J. Crook, Jr.
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Nov 15, 1988
Inventor
Edward J. Crook, Jr.
Assignee (at issue)
The Crosby Group LLC
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.