Granted Patent
Utility
US 6,533,509 · App. 09/953,162
Tool holder unclamp mechanism for a milling machine
Inventor:
Gregory S. Antoun
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Sep 17, 2001
Inventor
Gregory S. Antoun
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.