| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Norway | 2 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Medical technology | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Minnebraker Jeffrey P | 9 |
| #2 | Strauss Herbert | 1 |
| #3 | Linder George E | 1 |
| #4 | Minnebraker Jeffrey | 1 |
| #5 | Linder George | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0204040A1 | Brake device for wheelchairs | |
| US4572576A | Wheelchair with swingable foot support assemblies | |
| US4515383A | Wheelchair construction | |
| FR2563993A1 | Collapsible and foldable wheelchair | |
| US4570756A | Brake device for wheelchairs | |
| CA1186207A | Wheelchair construction | |
| US4351540A | Wheelchair construction |