| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Sweden | 3 | |
| #3 | Australia | 2 | |
| #4 | Denmark | 2 | |
| #5 | Finland | 2 | |
| #6 | Japan | 2 | |
| #7 | Netherlands | 2 | |
| #8 | Norway | 2 | |
| #9 | Austria | 1 | |
| #10 | Belgium | 1 | |
| #11 | Canada | 1 | |
| #12 | Germany | 1 | |
| #13 | Spain | 1 | |
| #14 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Money sorting | |
| #3 | Counting mechanisms |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heywood Joseph Richard | 6 |
| #2 | Heywood J | 5 |
| #3 | Sheov J | 2 |
| #4 | Jiyosefu Richiyaado Heiutsudo | 2 |
| #5 | Heywood J R | 2 |
| #6 | Heywood Joseph R | 1 |
| #7 | Richard Heywood Joseph | 1 |
| #8 | Sheov James Victor | 1 |
| #9 | Sheov James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1076156A | Improvements to poker machines | |
| AU2044576A | Poker machine | |
| AU2044476A | Poker machine | |
| US3565085A | Apparatus for coin counting and dispensing | |
| GB1162728A | Improvements in or relating to Apparatus for Coin Counting and Dispensing | |
| GB1111379A | Improvements in or relating to coin-freed amusement machines |