Granted Patent
Utility
US 6,834,824 · App. 09/914,577
Continuous winder and method of winding slit rolls of large diameter on small diameter cores
Inventor:
R. Duane Smith
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Aug 29, 2001
Inventor
R. Duane Smith
Assignee (at issue)
Black Clawson Converting 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.