Granted Patent
Utility
US 4,545,339 · App. 06/430,909
Glow plug having a conductive film heater
Inventors:
Mark A. Brooks, Ambrose Tomala, Gary L. Casey
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Sep 30, 1982
Inventors
Mark A. Brooks
Ambrose Tomala
Gary L. Casey
Assignee (at issue)
ALLIED CONSULTING, 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.