| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Netherlands | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Sweden | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Vehicle parts | |
| #3 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Curry Norman Royce | 4 |
| #2 | Curry Norman R | 3 |
| #3 | Curry N | 3 |
| #4 | Norman Royce Curry | 1 |
| #5 | Curry N Royce | 1 |
| #6 | Curry N R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1143406A | Self-steering converter dolly | |
| US4162082A | Self-steering dolly | |
| NZ179851A | Self-steering bogies for trailers | |
| US3899188A | Self-steering bogies for trailers |