Granted Patent
Utility
US 4,498,640 · App. 06/375,155
Apparatus and method for uniformly winding elongate sheet materials
Inventor:
Frank J. Nowak
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: May 5, 1982
Inventor
Frank J. Nowak
Assignee (at issue)
Owens-Illinois 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.