| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 5 | |
| #3 | Japan | 2 | |
| #4 | Australia | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control |
| # | Technology | |
|---|---|---|
| #1 | Registering cash receipt | |
| #2 | Coin-freed |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maxey Robert R | 16 |
| #2 | Burns James G | 14 |
| #3 | Burnes James G | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US6048269A | Coinless slot machine system and method |