Granted Patent
Utility
US 4,877,364 · App. 07/054,299
Captive screw and assembly
Inventor:
Gregory Sorrentino
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: May 26, 1987
Inventor
Gregory Sorrentino
Assignee (at issue)
General DataComm, Inc.
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.