Granted Patent
Utility
US 4,891,891 · App. 07/256,347
Dryer section apparatus and method
Inventor:
Gregory L. Wedel
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Oct 11, 1988
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.