Granted Patent
Utility
US 4,862,773 · App. 07/225,359
Collet type fastener removal tool
Inventor:
Ronald W. Batten
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jul 28, 1988
Inventor
Ronald W. Batten
Assignee (at issue)
VSI, 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.