Granted Patent
Utility
US 4,534,285 · App. 06/556,222
Actuator mechanism for continuous roll baling machine
Inventor:
Kenneth R. Underhill
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Nov 29, 1983
Inventor
Kenneth R. Underhill
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.