Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866298 | Circuit arrangement for evaluating the signals of an inductive sensor | Helmut Kniss | 1989-09-12 |
| 4810834 | Tensionproof cable | Ferdinand Grogl | 1989-03-07 |
| 4797529 | Stud welding apparatus | Klaus Schmitt | 1989-01-10 |