Granted Patent
Utility
US 4,850,121 · App. 06/871,393
Dryer felt run
Inventor:
Donald A. Ely
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Apr 21, 1986
Inventor
Donald A. Ely
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.