Granted Patent
Utility
US 5,350,440 · App. 08/107,244
Furnace with deflecting surface and method of charging metal solids
Inventors:
Anil Katyal, Warwick N. Brown, Roger Howitt
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Aug 16, 1993
Inventors
Anil Katyal
Warwick N. Brown
Roger Howitt
Assignee (at issue)
Cookson Group PLC
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.