Granted Patent
Utility
US 4,446,785 · App. 06/305,839
Hydraulic clutching and braking system for starting and stopping a power press
Inventor:
Carl E. Tack, Jr.
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Sep 28, 1981
Inventor
Carl E. Tack, Jr.
Assignee (at issue)
Danly Machine Corporation
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.