Granted Patent
Utility
US 6,164,949 · App. 09/203,896
Adjustable curling screw mechanism for a lip rolling machine
Inventor:
Wayne W. Lamson
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Dec 2, 1998
Inventor
Wayne W. Lamson
Assignee (at issue)
Brown Machine, 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.