Granted Patent
Utility
US 4,700,493 · App. 06/842,260
Dryer differential pressure controller
Inventors:
Gregory L. Wedel, Robert C. Fosler, Stanley P. Garvin, Jr.
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Mar 14, 1986
Inventors
Gregory L. Wedel
Robert C. Fosler
Stanley P. Garvin, Jr.
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.