Granted Patent
Utility
US 4,446,786 · App. 06/472,458
Cam guide operating mechanism for roll baling machine
Inventor:
Randy A. Greaser
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Mar 7, 1983
Inventor
Randy A. Greaser
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.