| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Transport | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Racing equipment | |
| #2 | Railway systems | |
| #3 | Machines for making railways | |
| #4 | Locomotives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Owen P | 11 |
| Publication | Filing date | Title |
|---|---|---|
| GB0001671D0 | Braking distance indicator | |
| US1630812A | Traction car and the like | |
| US1630811A | Starting cage for dog racing and the like | |
| US1591569A | Electric car | |
| US1463560A | Rail switch | |
| US1507440A | Housing for conveyer cars and tracks | |
| US1507439A | Starting cage for racing dogs | |
| US1410842A | Dog-racing amusement | |
| US1379224A | Dog-racing amusement | |
| US1038504A | Lure-conveyer. | |
| CA217155A | Dog racing amusement apparatus | |
| CA271281A | Dog racing amusement |