CD

Christopher B. Drake

Igt: 4 patents #452 of 1,220Top 40%
Overall (All Time): #1,191,763 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9558629 Gaming system and method for providing a plurality of chances of winning a progressive award Craig Schaefer, Brian Johnson, Victoria A. Fuller, Cameron A. Filipour, William J. Foster +4 more 2017-01-31
9076299 Gaming system and method for providing an offer and acceptance game with progressive awards Craig Schaefer, Daniel J. Uomini, Cameron A. Filipour 2015-07-07
8764557 Gaming system and method for providing an offer and acceptance game with progressive awards Craig Schaefer, Daniel J. Uomini, Cameron A. Filipour 2014-07-01
8454434 Gaming system and method for providing an offer and acceptance game with progressive awards associated with a quantity of progressive tokens Craig Schaefer, Daniel J. Uomini, Cameron A. Filipour 2013-06-04