Granted Patent
Utility
US 4,620,742 · App. 06/673,787
Visor detent
Inventor:
James A. Gavagan
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Nov 21, 1984
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.