Granted Patent
Utility
US 5,950,417 · App. 09/045,178
Topping combustor for low oxygen vitiated air streams
Inventors:
Arichbald Stuart Robertson, Jr., Chongqing Lu, Zhen Fan
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Mar 20, 1998
Inventors
Arichbald Stuart Robertson, Jr.
Chongqing Lu
Zhen Fan
Assignee (at issue)
Foster Wheeler Energy International, Inc.
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.