Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392194 | Circuit arrangement for controlling a large number of printing electrodes for non-mechanical printing | Herbert Lobl | 1983-07-05 |
| 4330788 | Printing device for electrophoretic recording | Ulf Rothgordt, Herbert Lobl | 1982-05-18 |
| 4233385 | Method and apparatus for liquid electrostatic development of charge images on a tape-like record carrier | Ulf Rothgordt, Franz Schinke | 1980-11-11 |