| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Consumer goods | |
| #3 | Furniture and games | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Physical therapy devices | |
| #2 | Walking sticks | |
| #3 | Physical training equipment | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Reed David | 7 |
| #2 | Popek Robert | 7 |
| #3 | Karasin Craig | 7 |
| #4 | Powers Thomas J | 7 |
| #5 | Vellrath Andrew | 6 |
| #6 | Freund Danny A | 4 |
| #7 | Tartaglia John | 3 |
| #8 | Robert Popek | 2 |
| #9 | Andrew Vellrath | 2 |
| #10 | David Reed | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP1824438A2 | Rolling/braking cane | |
| CN101237844A | Rolling/braking cane | |
| CA2565609A1 | Rolling cane and step-up cane |