Granted Patent
Utility
US 6,325,322 · App. 09/578,643
Dual-plate winding mechanism with tension adjustment
Inventor:
Thomas E. Lewis
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: May 25, 2000
Inventor
Thomas E. Lewis
Assignee (at issue)
PRESSTEK, 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.