Granted Patent
Utility
US 6,636,370 · App. 09/138,064
Windshield for head-up display system
Inventor:
Glenn Freeman
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Aug 21, 1998
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.