Granted Patent
Utility
US 6,227,790 · App. 09/082,144
Amusement ride vehicle with wheelchair ramp
Inventors:
Horst Mollick, Dieter Hopfner
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: May 20, 1998
Inventors
Horst Mollick
Dieter Hopfner
Assignee (at issue)
Universal Studios LLC
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.