Granted Patent
Utility
US 4,337,728 · App. 06/236,831
Programmed hog feeder and process
Inventors:
Carl W. Van Gilst, Howard S. Brembeck, Bradley E. Donahoe
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Feb 23, 1981
Inventors
Carl W. Van Gilst
Howard S. Brembeck
Bradley E. Donahoe
Assignee (at issue)
Chore-Time Equipment, Inc.
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.