Granted Patent
Utility
US 5,511,725 · App. 08/211,010
Method and nozzle for supplying paste fuel to a fluidized bed
Inventors:
Stephen BARKER, Thomas John Farrell Wallin
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Mar 17, 1994
Inventors
Stephen BARKER
Thomas John Farrell Wallin
Assignee (at issue)
ABB Carbon AB
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.