| Slot Machine |  Brown Front Bursting Cherry | 1938 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Brown Front Bursting Cherry | 1945 | Buckley Mfg. Co. Chicago, IL, USA |
| Slot Machine | Brownie | 1902 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Brownie | 1900 | Caille Bros. Co., The Detroit, MI, USA |
| Slot Machine | Brownie | 1899 | Schall & Co., D.N. Chicago, IL, USA |
| Slot Machine | Brownie Jackpot Vender Model 45 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Brownie Jackpot Model 46 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Brownie Jackpot Model 47 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Brownie Improved model | 1910 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Brownie Palmer Cox Brownie Faces | 1902 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Bruce Lee | 200? | Blueprint Gaming, Ltd. Gauselmann Group |
| Slot Machine | Bruce Lee G+ | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Bu-Ss-Oz | 1912 | Bussoz Paris, France |
| Slot Machine | Bubba Claus | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bubble Strike Frenzy | 2011 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Bubble Up | 2011 | AC Coin & Slot USA |
| Slot Machine | Bubblen no KuruKuru Jump! | 1999 | Taito Corp. Japan |
| Slot Machine | Bube Dame König | 1994 | Mega |
| Slot Machine | Bucanero | 198? | Regama, S.A. |
| Slot Machine | Bucanero | 200? | Codematic, S.A. |
| Slot Machine | Buccaneer | 200? | Segasa Madrid, Spain |
| Slot Machine | Buccaneer Gold | 1997 | Silicon Gaming, Inc. SGI |
| Slot Machine | Buccaneer Windsor Series | 196? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | Buccaneer's Chest | 2012 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Buck 'N Win | 2005 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Buck Bonanza | 2002 | IGCA Innovative Gaming Corp. of America Las Vegas, NV, USA |
| Slot Machine | Buck Buck Goose | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Buck Foo | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Buck$ Ahoy | 200? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Buckaroo | 1954 | Jennings & Co., O.D. Chicago, IL, USA |
| Slot Machine | Buckaroo | 2014 | Multimedia Games, Inc. Austin, TX, USA |
| Slot Machine | Buckets O' Bucks | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Buckmeister | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bucks Bucks Party | 200? | Atlus Co., Ltd. Japan |
| Slot Machine | Bucks Bunny | 2006 | Cool Games, Ltd. Oldham, England |
| Slot Machine | Bucky Beaver's Bonus! | 200? | Multimedia Games, Inc. Austin, TX, USA |
| Slot Machine | Buffalo Bucks | 2002 | Rocket Gaming Systems |
| Slot Machine | Buffalo Charge | 201? | Aries Technology |
| Slot Machine | Buffalo Gold Collection | 2015 | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | Buffalo Grand | 2015 | Aristocrat Leisure Industries Pty, Ltd. |
