Granted Patent
Utility
US 4,458,938 · App. 06/302,758
Attachment of covering on sun visor for vehicles
Inventors:
Lothar Viertel, Michael KOBEL, Peter Kaiser
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Sep 16, 1981
Inventors
Lothar Viertel
Michael KOBEL
Peter 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.