Granted Patent
Utility
US 6,170,402 · App. 09/295,719
Roller coaster control system
Inventors:
Gregory J. Rude, Peter D. Jelf
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Apr 21, 1999
Inventors
Gregory J. Rude
Peter D. Jelf
Assignee (at issue)
Universal City 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.