Granted Patent
Utility
US 4,664,435 · App. 06/664,054
Sun visor for vehicles
Inventors:
Gunter Dietz, Manfred Nowak, Klaus Kaiser
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Oct 23, 1984
Inventors
Gunter Dietz
Manfred Nowak
Klaus Kaiser
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.