Granted Patent
Utility
US 5,941,234 · App. 08/777,469
Combustion cage for wood pellet and other solid fuel combustion
Inventors:
Robert B. Norburn, Darryl R. Rose
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Dec 30, 1996
Inventors
Robert B. Norburn
Darryl R. Rose
Assignee (at issue)
EXERGYN LTD.
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.