Granted Patent
Utility
US 4,425,753 · App. 06/302,930
Clutch mechanism for baling machine
Inventor:
John H. Freimuth
Patented Case
View Patent ↗
Granted: Jan 17, 1984
Filed: Sep 16, 1981
Inventor
John H. Freimuth
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.