HM

Harold Mattice

Igt: 3 patents #549 of 1,220Top 45%
Overall (All Time): #1,539,925 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8485881 Gaming machine with movable display Chauncey W. Griswold, Jean Pierre Legras, Richard L. Wilder, James Stockdale 2013-07-16
8388432 Bi-stable downloadable reel strips Chauncey W. Griswold, Steven G. LeMay 2013-03-05
7758428 Method and apparatus for controlling access to areas of gaming machines Joseph R. Hedrick, Chan Griswold 2010-07-20