Granted Patent
Utility
US 4,520,048 · App. 06/571,278
Method and apparatus for coating paper and the like
Inventor:
Alan E. Ranger
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Jan 16, 1984
Inventor
Alan E. Ranger
Assignee (at issue)
Internationale Otrool Maatschappij Octropa B.V.
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.