Granted Patent
Utility
US 5,649,780 · App. 08/384,017
Collet for telescoping assembly
Inventor:
Frederick R. Schall
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Feb 6, 1995
Inventor
Frederick R. Schall
Assignee (at issue)
Delair 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.