Granted Patent
Utility
US 5,886,321 · App. 08/769,913
Arrangement for heating the wiper rest area of a vehicle windshield
Inventors:
Robert N. Pinchok, Beth C. Ramsey
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Dec 19, 1996
Inventors
Robert N. Pinchok
Beth C. Ramsey
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.