| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Medical technology | |
| #3 | Electrical machinery and energy | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Implantable devices | |
| #3 | Unspecified technologies | |
| #4 | Circuits for supplying electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Porsche Ferdinand A | 4 |
| #2 | Dianitsch Franz | 3 |
| #3 | Schmidthaler Johann J | 2 |
| #4 | Angermann Gottfried | 1 |
| #5 | Hiebl Berthold | 1 |
| #6 | Pschebezin Anton | 1 |
| #7 | Stadlmann Guenter | 1 |
| #8 | Schmidthaler Johann | 1 |
| #9 | Kreissl Franz | 1 |
| #10 | Zach Ronald | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4942629A | Ski goggles with heated lens | |
| US4955706A | Composite polymeric spectacle parts | |
| US5048944A | Eyeglasses with removable lens assembly | |
| US4924245A | Resilient nose pad for spectacles | |
| US4822158A | Eyeglasses with removable lens assembly | |
| US4834523A | Eyeglasses with separable rims | |
| US4759622A | Eyeglasses with exchangeable lenses | |
| US4578822A | Visor | |
| US4549792A | Adjustable nose piece and incorporating sunglasses |