Granted Patent
Utility
US 6,422,041 · App. 09/374,921
Method of boosting a glass melting furnace using a roof mounted oxygen-fuel burner
Inventors:
Neil Simpson, Greg Floyd Prusia, Stephen Carney, Thomas G. Clayton, Andrew P. Richardson, John R. LeBlanc
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Aug 16, 1999
Inventors
Neil Simpson
Greg Floyd Prusia
Stephen Carney
Thomas G. Clayton
Andrew P. Richardson
John R. LeBlanc
Assignee (at issue)
The BOC Group Limited
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.