Granted Patent
Utility
US 4,440,214 · App. 06/154,946
Heat transfer roll and method
Inventor:
Gregory L. Wedel
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: May 30, 1980
Inventor
Gregory L. Wedel
Assignee (at issue)
Beloit 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.