Granted Patent
Utility
US 6,186,037 · App. 09/344,983
Tube squaring machine having axially stationary cutting tool shaft and axially movable tube holding collet
Inventors:
Donato L. Ricci, Brent Place
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Jun 25, 1999
Inventors
Donato L. Ricci
Brent Place
Assignee (at issue)
Donato L. Ricci
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.