| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 4 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Norway | 1 |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Shaping of plastics | |
| #3 | Ships | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Landes Wesley K | 12 |
| #2 | Landes Gary I | 4 |
| #3 | Johnson Albert F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2199410A1 | Hinged ski for aircraft egress and ingress | |
| US3208421A | Aircraft floats | |
| US3128065A | Heavy duty aircraft ski | |
| US2961362A | Methods of fabricating aircraft skis and components thereof | |
| US2950883A | Skifor aircraft and the like | |
| CA717386A | Tail wheel assembly for aircraft ski | |
| CA717385A | Heavy duty aircraft ski | |
| CA734289A | Aircraft floats | |
| CA625070A | Ski for aircraft and the like and methods of manufacturing same |