Granted Patent
Utility
US 4,944,549 · App. 07/395,756
Sun visor for motor vehicles
Inventors:
Bernhard Hilbert, Gerard Hilt
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Aug 18, 1989
Inventors
Bernhard Hilbert
Gerard Hilt
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.