Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469940 | Switching apparatus for absolute position measuring device | — | 1984-09-04 |
| 4469958 | Electrical circuit for absolute position measuring device | — | 1984-09-04 |
| 4423958 | Test apparatus for digital photoelectric length or angle measuring instrument | — | 1984-01-03 |
| 4420699 | Frequency to voltage converter for a digital tachometer | — | 1983-12-13 |
| 4385836 | Photoelectric digital position measuring system | — | 1983-05-31 |
| 4369366 | Photoelectric digital measuring instrument balancing circuit | — | 1983-01-18 |
| 4363964 | Incremental measuring system with selectively designated reference marks | — | 1982-12-14 |
| 4302668 | Variably biased photoelectric circuit | — | 1981-11-24 |
| 4253020 | Apparatus for measuring projectile velocity | Dieter Michel | 1981-02-24 |