Granted Patent
Utility
US 6,572,310 · App. 10/245,609
Self-cleaning drill chuck
Inventor:
Richard E. Temple-Wilson
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Sep 16, 2002
Inventor
Richard E. Temple-Wilson
Assignee (at issue)
Power Tool Holders Incorporated
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.