Granted Patent
Utility
US 5,429,465 · App. 08/223,710
Retainer structure for preventing relative rotation between fastener elements
Inventor:
Stephen T. Puskas
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Apr 4, 1994
Inventor
Stephen T. Puskas
Assignee (at issue)
Witco 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.