Granted Patent
Utility
US 4,387,632 · App. 06/284,940
Control system for synchronizing power presses and associated feed mechanism with interlock features
Inventor:
Francis E. Heiberger
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Jul 20, 1981
Inventor
Francis E. Heiberger
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.