Granted Patent
Utility
US 6,220,965 · App. 09/111,954
Amusement system
Inventors:
Craig Robert Hanna, Jennifer Sauer, Philip Hettema
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jul 8, 1998
Inventors
Craig Robert Hanna
Jennifer Sauer
Philip Hettema
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.