Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931794 | Optoelectronic keyboard | Ernst Haag, Georg Leitner, Konrad Farnbauer-Schmidt | 1990-06-05 |
| 4384280 | Anti-entry device for surfaces | — | 1983-05-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931794 | Optoelectronic keyboard | Ernst Haag, Georg Leitner, Konrad Farnbauer-Schmidt | 1990-06-05 |
| 4384280 | Anti-entry device for surfaces | — | 1983-05-17 |