Granted Patent
Utility
US 6,142,368 · App. 08/206,127
Prepayment wristband and computer debit system
Inventors:
Joseph Mullins, Donald Mills
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Mar 3, 1994
Inventors
Joseph Mullins
Donald Mills
Assignee (at issue)
Busch Entertainment Corporation
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.