Granted Patent
Utility
US 5,823,155 · App. 08/875,324
Control circuit for an incandescent element
Inventor:
Erwin Burner
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Jun 16, 1997
Inventor
Erwin Burner
Assignee (at issue)
J. Eberspaecher GmbH & Co. KG
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.