Granted Patent
Utility
US 4,452,585 · App. 06/155,321
Combustion air blower surge control for a melting furnace
Inventor:
David F. Arp
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Jun 2, 1980
Inventor
David F. Arp
Assignee (at issue)
Southwire Company, LLC
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.