Granted Patent
Utility
US 6,766,677 · App. 10/377,000
Die curl assembly
Inventor:
Robert D. Turnbull
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Mar 3, 2003
Inventor
Robert D. Turnbull
Assignee (at issue)
Stole Machinery, Inc.
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.