Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689838 | Goggles with interchangeable lenses | Gottfried Angermann | 1987-09-01 |
| 4317240 | Sports goggle | Gottfried Angerman, Otto Armbrust, Franz Dianitsch | 1982-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689838 | Goggles with interchangeable lenses | Gottfried Angermann | 1987-09-01 |
| 4317240 | Sports goggle | Gottfried Angerman, Otto Armbrust, Franz Dianitsch | 1982-03-02 |