Granted Patent
Utility
US 4,828,314 · App. 07/152,409
Visor with retractable glare shields
Inventor:
James A. Gavagan
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Feb 4, 1988
Inventor
James A. Gavagan
Assignee (at issue)
Irvin 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.