Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607268 | Multiple needle recording electrode | Martin Pointner | 1986-08-19 |
| 4315285 | Methods for converting a video signal into a black/white signal | Hermann Wischer | 1982-02-09 |
| 4240118 | Method for electro-optically sensing, transmitting pictorial information | Klaus Wellendorf | 1980-12-16 |
| 4240117 | Apparatus for electro-optically recording pictorial information for a facsimile transmission system | Klaus Wellendorf | 1980-12-16 |
| 4232343 | Method and apparatus for recording graphic or image information by means of punctiform recording spots | — | 1980-11-04 |
| 4231069 | Method and apparatus for producing image combinations | Klaus Wellendorf | 1980-10-28 |
| 4213155 | Process for improving image quality in picture telegraphy | Juergen Muenchow | 1980-07-15 |
| 4203136 | Method and apparatus for electro-optically sensing, transmitting and recording pictorial information in particular facsimile transmission systems | Klaus Wellendorf | 1980-05-13 |
| 4199784 | Method and apparatus for electro-optically recording pictorial information for a facsimile transmission system | Klaus Wellendorf | 1980-04-22 |