Granted Patent
Utility
US 4,918,288 · App. 07/267,403
Electrical lead arrangement for a heatable transparency
Inventors:
Thomas M. Carter, Harold S. Koontz
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Nov 4, 1988
Inventors
Thomas M. Carter
Harold S. Koontz
Assignee (at issue)
PPG Industries, 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.