Granted Patent
Utility
US 4,606,306 · App. 06/738,146
Glow plug control circuit
Inventors:
LaVerne A. Caron, Edward F. Handley
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: May 24, 1985
Inventors
LaVerne A. Caron
Edward F. Handley
Assignee (at issue)
Navistar International 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.