Granted Patent
Utility
US 4,300,726 · App. 06/107,675
Harvester spout control device
Inventors:
Frederick W. Phillips, Edward H. Priepke
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Dec 27, 1979
Inventors
Frederick W. Phillips
Edward H. Priepke
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.