Granted Patent
Utility
US 4,468,549 · App. 06/382,372
Induction heater arrangement for forging bar stock
Inventor:
Joseph E. Arnosky
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: May 27, 1982
Inventor
Joseph E. Arnosky
Assignee (at issue)
Park-Ohio Industries
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.