Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621896 | Self-screening telephone | — | 2003-09-16 |
| 4732486 | Contact-free optical linear measurement device | — | 1988-03-22 |
| 4597182 | Gantry-type jig | — | 1986-07-01 |
| 4465349 | Microfilm card and a microfilm reader with automatic stage positioning | Fritz Belitz | 1984-08-14 |
| 4453313 | Method and apparatus for precision turning | — | 1984-06-12 |
| 4452109 | Lathe for simultaneous machining of two workpieces | Reinhold Ballach, Dieter Kroll | 1984-06-05 |