Granted Patent
Utility
US 6,058,855 · App. 09/119,097
Low emission U-fired boiler combustion system
Inventors:
Terence Ake, Roderick Beittel, Robert Lisauskas, Eric Reicker
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jul 20, 1998
Inventors
Terence Ake
Roderick Beittel
Robert Lisauskas
Eric Reicker
Assignee (at issue)
D. B. Riley, 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.