Granted Patent
Utility
US 4,575,959 · App. 06/605,542
Material directing device for an auger scraper
Inventor:
James E. Gee
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Apr 30, 1984
Inventor
James E. Gee
Assignee (at issue)
Caterpillar Tractor Co.
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.