| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | Australia | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cullum John M | 7 |
| #2 | Bubik Leslie | 3 |
| #3 | Alm Andrew J | 3 |
| #4 | Alm Stephen D | 3 |
| #5 | Ogren Hans G | 3 |
| #6 | Alm Stephen | 1 |
| #7 | Cullum John | 1 |
| #8 | Alm Andrew | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5709522A | Tow truck with double pivot crossbar | |
| AU3505495A | Transporting apparatus and method | |
| US5284415A | Single-powered underlift towing apparatus | |
| US5213466A | Multifunction loading and recovery apparatus | |
| US4637623A | Towing apparatus |