Thomas Filben was involved in the slot-machine business, with connections to the underworld.

Younger brother, William Michael Filben developed a new mechanism for phonographs able to select 30 records, which was new to the coin-op phonograph industry, and this was of course of interest to David Cullen Rockola, when he saw the mechanism able to select each record in 6 seconds at the 1938 coin machine show in Chicago. The Rock-Ola Manufacturing Corp. then signed a license contract with William M. Filben in September 1938 stating that the Rock-Ola Manufacturing Corp. owned all rights to the mechanism.....

Note the early death of William Michael Filben who died in his home on the 1st May 1940 from instant coronary closure caused by overwork and worry for several years at the age of 47 years.


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