Granted Patent
Utility
US 4,391,364 · App. 06/235,396
Automatic latch for unloading auger
Inventors:
Terry A. Young, Aquila D. Mast
Patented Case
View Patent ↗
Granted: Jul 5, 1983
Filed: Feb 18, 1981
Inventors
Terry A. Young
Aquila D. Mast
Assignee (at issue)
Sperry Corp.
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.