Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7202457 | Device that automatically tracks the position of the sun | Elfi Janus | 2007-04-10 |
| 4768615 | Acoustic transducer system | Edwin Steinebrunner | 1988-09-06 |
| 4700569 | Method and arrangement for signal transmission in ultrasonic echo sounding systems | Bernhard Michalski, Jurgen Lau | 1987-10-20 |