Granted Patent
Utility
US 6,371,531 · App. 09/319,145
Stab-type coupling with collet having locking ribs and rotation prevention member
Inventor:
Dave Robison
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: May 28, 1999
Inventor
Dave Robison
Assignee (at issue)
Perfection Holdings 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.