Granted Patent
Utility
US 6,441,346 · App. 09/946,077
Burn-out furnace
Inventor:
George Zychek
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 4, 2001
Inventor
George Zychek
Assignee (at issue)
Jeneric/Pentron Incorporated
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.