Granted Patent
Utility
US 6,534,152 · App. 08/082,120
Windshield for head-up display system
Inventor:
Glenn Freeman
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jun 23, 1993
Inventor
Glenn Freeman
Assignee (at issue)
PPG Industries Ohio, 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.