| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 3 | |
| #4 | Australia | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Control | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Magnets and transformers | |
| #3 | Games | |
| #4 | Unspecified technologies | |
| #5 | Control or regulating systems | |
| #6 | Venting or aerating devices | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meyer William H | 9 |
| #2 | Trbovich Nicholas D | 9 |
| #3 | Trbovich N | 2 |
| #4 | Robinson William P | 2 |
| #5 | Meyer W | 2 |
| #6 | Robinson W | 1 |
| #7 | Bean Edwin T Jr | 1 |
| #8 | Bean E | 1 |
| #9 | Bauer Paul R | 1 |
| #10 | Bean Edwin T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU3917572A | Game apparatus | |
| US3758113A | Amusement game | |
| US3639871A | Torque motor | |
| US3517359A | Electro-magnetic actuator armature assembly | |
| US3381150A | Torque motor | |
| US3415283A | Torque motor | |
| US3238398A | Torque motor | |
| CA750036A | Torque motor | |
| CA782456A | Torque motor |