Granted Patent
Utility
US 5,655,513 · App. 08/613,408
Artificial log burner
Inventor:
Oliver J. Whitfield
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Mar 11, 1996
Inventor
Oliver J. Whitfield
Assignee (at issue)
Pyro Industries, 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.