| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Germany | 3 | |
| #3 | Canada | 2 | |
| #4 | Japan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Unspecified technologies | |
| #3 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deluty Michael E | 10 |
| #2 | Levine Morton A | 3 |
| #3 | Mikaeru Ii Deruteii | 1 |
| #4 | Maikeru Aaru Derutei | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4226272A | Tire traction device | |
| US4114875A | Friction type exercising device | |
| US4010948A | Pull type friction exercising device | |
| US3995853A | Exercising device | |
| US3885789A | Exercising device |