Granted Patent
Utility
US 4,610,443 · App. 06/561,049
Sun visor and method for the manufacture thereof
Inventors:
Charles D. Ebert, Lothar Viertel
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Dec 13, 1983
Inventors
Charles D. Ebert
Lothar Viertel
Assignee (at issue)
Gebr. Happich GmbH
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.