| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Japan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Furniture and games | |
| #3 | Textiles and paper | |
| #4 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Unspecified technologies | |
| #3 | Shaping of plastics | |
| #4 | Making textile fabrics | |
| #5 | Certain plastics | |
| #6 | Unspecified technologies | |
| #7 | Fillers | |
| #8 | Spectacles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fraige Richard | 16 |
| #2 | Richiyaado Fureigu | 2 |
| #3 | Jierii Riido | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4602396A | Waterbed flotation system with vapor barrier | |
| US4607404A | Waterbed float with antiwave hanging baffle and collapse-retarding fiber insert | |
| US4523343A | Buoyant fiber product used in improved waterbed float with hanging baffle | |
| US4481248A | Buoyant fiber product and method of manufacturing same | |
| CA1157583A | Waterbed mattress | |
| US4301560A | Waterbed mattress | |
| JPS5220172A | Water mattress | |
| US3957557A | Water mattress and method of manufacture | |
| GB1195651A | An improved Lens for Spectacles |