| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | IT methods for management | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Data processing systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stephenson Kenrick O Jr | 8 |
| #2 | Huber George H | 5 |
| #3 | H Huber George | 1 |
| #4 | O Stephenson Jun Kenrick | 1 |
| #5 | Strakosch C Philip | 1 |
| #6 | Telepko George D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1000857A | Credit verification system | |
| US3657702A | Transaction accumulator for a credit verification system | |
| GB1283748A | Credit verification system | |
| US3576539A | Counter controller credit verification system | |
| CA902778A | Credit verification system | |
| CA916803A | Credit verification system |