Granted Patent
Utility
US 4,353,591 · App. 06/129,991
Sun visor for vehicles
Inventor:
Kurt Cziptschirsch
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Mar 13, 1980
Inventor
Kurt Cziptschirsch
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.