Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552571 | Push-button switch having a plurality of simultaneously closed contacts | — | 1996-09-03 |
| 5140472 | Apparatus for brightening cockpit instruments | Klaus Langner | 1992-08-18 |