Allen E. Fleckenstein has been granted 20 US patents while listed as an inventor at Bally Gaming. The first was granted in 1988 and the most recent in October 2013. Allen E. Fleckenstein ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Allen E. Fleckenstein in Bellevue, WA, US.