Granted Patent
Utility
US 6,269,809 · App. 09/557,053
Low emission fireplace
Inventor:
John Stuart Fleming
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Apr 21, 2000
Inventor
John Stuart Fleming
Assignee (at issue)
Superior Fireplace Company
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.