| Type ▼ | Name | Year ▼ | Publisher ▼ |
|---|---|---|---|
| Vending Machine |  Improved Vending Machine | 1889 | O'Meara, John U. Washigton, DC, USA |
| Vending Machine | Improved Vending Machine | 1890 | O'Meara, John U. Washigton, DC, USA |
| Vending Machine | Vending Machine | 1889 | O'Meara, John U. Washigton, DC, USA |