Granted Patent
Utility
US 5,116,055 · App. 07/725,001
Progressive jackpot gaming system linking gaming machines with different hit frequencies and denominations
Inventor:
Daniel A. Tracy
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jul 2, 1991
Inventor
Daniel A. Tracy
Assignee (at issue)
Mikohn, Inc.
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.