Granted Patent
Utility
US 5,678,534 · App. 08/509,426
Heating apparatus
Inventor:
John Stuart Fleming
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jul 31, 1995
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.