Granted Patent
Utility
US 4,266,735 · App. 06/119,962
Mandrel supports for automatic web rewinder
Inventors:
Dale D. Leanna, Allen R. Jorgensen
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: Feb 8, 1980
Inventors
Dale D. Leanna
Allen R. Jorgensen
Assignee (at issue)
Magna-Graphics Corporation
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.