Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980536 | Removal of particles from solid-state surfaces by laser bombardment | Joachim Keyser, Klaus Meissner, Werner Zapka | 1990-12-25 |
| 4855197 | Mask for ion, electron or X-ray lithography and method of making it | Werner Zapka, Jurgen Kempf, Joachim Keyser | 1989-08-08 |
| 4520314 | Probe head arrangement for conductor line testing with at least one probe head comprising a plurality of resilient contacts | Johann Greschner, Michael Kallmeyer, Werner Kulcke | 1985-05-28 |