SR

Steven Ritchie

WE Williams Electronics: 3 patents #1 of 18Top 6%
Ncr: 2 patents #884 of 2,952Top 30%
PL Purelifi Limited: 2 patents #13 of 23Top 60%
WG Williams Electronics Games: 1 patents #35 of 63Top 60%
Overall (All Time): #564,744 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10855369 Mobile device for optical wireless communication 2020-12-01
10439714 Mobile device for optical wireless communication 2019-10-08
8915434 Fraud prevention Graeme Mitchell 2014-12-23
8704633 Fraud prevention Gary Ross, Graeme Mitchell, Alistair Lowden 2014-04-22
6932703 Method and apparatus for a slot machine gaming device simulating a bank robbery 2005-08-23
D335150 Trigger handle switch for pinball type games Carl Biagi 1993-04-27
4685677 Automatic replay control system and method for amusement devices Lawrence E. DeMar 1987-08-11
4606545 Bi-level pinball machine providing interlevel ball travel 1986-08-19
4373725 Pinball machine having magnetic ball control 1983-02-15