Granted Patent
Utility
US 5,444,734 · App. 08/019,203
Device for lifting and moving the roof of a spray cooled furnace
Inventors:
Mark Thomas Arthur, Frank Henry Miner, Jr.
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Feb 18, 1993
Inventors
Mark Thomas Arthur
Frank Henry Miner, Jr.
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.