Granted Patent
Utility
US 6,540,508 · App. 09/664,570
Process of installing roof mounted oxygen-fuel burners in a glass melting furnace
Inventors:
Neil Simpson, John R. LeBlanc, Thomas G. Clayton, Greg Floyd Prusia
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Sep 18, 2000
Inventors
Neil Simpson
John R. LeBlanc
Thomas G. Clayton
Greg Floyd Prusia
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.