Official Gazette of the United States Patent and Trademark Office:

Official Gazette of the United States Patent and Trademark Office: top and bottom joint slot machine machine , a rod supported by the frame , a slide on the rod and provided with a longitudinal slot JOINT WILLIAM C DEU- BERRY , Greenfield , Tenn top gaming1 online slot sites The top-bottom joint, which first inspired Tommy Carmichael, worked for a while, but it was old-fashioned by the time of his bust in Denny's “

top gaming1 online slot sites Carmichael In his car's trunk, Mr Ming had a Bally's slot machine and a “top-bottom joint”

top endorphins online slot sites Almost just as popular as the light wand, the so-called top-bottom joint tool was used by various casino scammers in the 1970s and 1980s to Top-Bottom Joint: Another device designed by Tommy Glenn Carmichael Yes, he was the most famous slot cheater of all times He loved to manipulate gaming