| Trade Stimulator |  21 Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Atom Cigarette Reel | 1949 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Atom Fruit Reel | 1949 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Beer Dandy Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Blue Bonnet | 1938 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Cigarettes Dandy Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Coin Divider Dandy Vender | 1932 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Dandy Vender | 1930 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Dandy Vender Jak Pot | 1932 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | De Luxe Mercury | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | De Luxe Mercury Ball Gum Vender | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | De Luxe Mercury Discreet | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | De Luxe Mercury Discreet Ball Gum Vender | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Dial-It | 1941 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Dice-o-Matic Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Dixie Dominoes | 1937 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Dixie Spelling Bee | 1937 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Free Play Dandy Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Ginger Baseball Reel | 1937 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Ginger Cigarette Reel | 1937 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Ginger Fortune Reel | 1937 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Ginger Punchboard | 1939 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Gold Rush Calendar model | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Gold Rush Fruit-Dial model | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | High Stakes | 1936 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | High Tension | 1936 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Imp Cigarette Reel | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Imp Fruit Reel | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Imp Number Reel | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Jackpot Beer Dandy Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Jackpot Cigarettes Dandy Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Jackpot Free Play Dandy Vender | 1934 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Klix | 1941 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Klix | 1949 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Liberty Ball Gum Vender | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Liberty Bell | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Liberty Discreet | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Liberty Discreet Bell Ball Gum Vender | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Liberty Sports Parade | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Liberty Sports Parade Discreet | 1940 | Groetchen Tool & Mfg. Co. Chicago, IL, USA |
