Granted Patent
Utility
US 4,716,661 · App. 07/023,618
Dryer journal protection
Inventor:
Glen D. Asman
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Mar 9, 1987
Inventor
Glen D. Asman
Assignee (at issue)
MacMillan Bloedel Limited
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.