Granted Patent
Utility
US 6,089,334 · App. 09/042,285
Invertible auger
Inventor:
Verne C. Watts
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Mar 13, 1998
Inventor
Verne C. Watts
Assignee (at issue)
CLARK EQUIPMENT COMPANY
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.