Granted Patent
Utility
US 5,297,838 · App. 07/973,828
Convertible top for vehicle
Inventor:
Kurt Cziptschirsch
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Nov 5, 1992
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.