Granted Patent
Utility
US 4,844,985 · App. 07/266,436
Electrically heated transparent glass article and method of making
Inventors:
Eugene P. Pharms, Charles J. Amberger, Ronald R. Hymore
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Nov 2, 1988
Inventors
Eugene P. Pharms
Charles J. Amberger
Ronald R. Hymore
Assignee (at issue)
Ford Motor Company
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.