Granted Patent
Utility
US 4,233,901 · App. 05/922,617
Drying printed web material
Inventor:
Leonard B. Mallinson
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Jul 7, 1978
Inventor
Leonard B. Mallinson
Assignee (at issue)
Baker Perkins 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.