Granted Patent
Utility
US 5,267,849 · App. 07/819,913
Spark igniting a fuel burner
Inventor:
Raymond M. Paciorek
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Jan 13, 1992
Inventor
Raymond M. Paciorek
Assignee (at issue)
Eaton Corporation
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.