| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | Switzerland | 4 | |
| #3 | Canada | 3 | |
| #4 | Germany | 3 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Footwear features | |
| #2 | Footwear laces | |
| #3 | Skates | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies | |
| #6 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lange Robert B | 8 |
| #2 | Lange Philo B | 5 |
| #3 | Robert B Lange | 4 |
| #4 | B Lange Robert | 3 |
| #5 | B Lange Philo | 2 |
| #6 | Philo B Lange | 1 |
| #7 | Philo N Lange | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4136404A | Athletic leg brace apparatus | |
| DE1685803B1 | Tension lever lock, especially for ski boots | |
| US3239952A | Ski boot | |
| DE1485711B1 | Multi-part plastic ski boots | |
| CA887781A | Offset ski tip | |
| CA912265A | Plastic ski boot | |
| CA714750A | Ski boot |