Granted Patent
Utility
US 4,764,874 · App. 06/907,232
Method and apparatus for a microprocessor pellet mill controller with die temperature control
Inventor:
Joseph A. Volk, Jr.
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Sep 15, 1986
Inventor
Joseph A. Volk, Jr.
Assignee (at issue)
Beta Raven, 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.