Granted Patent
Utility
US 5,561,685 · App. 08/429,923
Modular spray cooled side-wall for electric arc furnaces
Inventors:
David Arthur Lehr, Gordon R. Roberts, Frank Henry Miner, Jr., William H. Burwell, Mark Thomas Arthur
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Apr 27, 1995
Inventors
David Arthur Lehr
Gordon R. Roberts
Frank Henry Miner, Jr.
William H. Burwell
Mark Thomas Arthur
Assignee (at issue)
UCAR Carbon Technology 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.