Herbert Stephen Mills had taken over 'Mills Novelty Company' after Mortimer Mills, his father. Within a very short period after this, Herbert Stephen Mills launched a latest adaptation of Liberty Bell slots. The two things that were stolen in that robbery were a Liberty Bell machine and an apron. One theory says that, in 1905 two things were stolen from a saloon situated in San Francisco. Theories about Charles Fey and the Mills Liberty Bell However, the fact that Charles Fey declined to lease or sell his groundbreaking Liberty Bell machine to anyone, was known very well in the world of gaming device during that period. There is no particular theory about what actually took place. Companies like Monarch and Kalamazoo also launched their slot machines and a specific company relentlessly checked his control. Charles Fey dominated the gaming market with encouraging government legislature as well as limited competition.