Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539227 | Method of making a metallic soap layer as a gliding layer on a metallized record carrier | Marian Briska | 1985-09-03 |
| 4536769 | Method of recording information on an electrosensitive record carrier | Karl H. Burckardt, Gottfried Goldrian, Volker Rudolph, Wilhelm Spruth | 1985-08-20 |
| 4483902 | Record carrier | Marian Briska | 1984-11-20 |
| 4419392 | Process for producing compact lacquer layers for record carriers | Marian Briska | 1983-12-06 |
| 4396993 | Control circuit for a printing head of a metal paper printer with electrodes arranged on a slope | Karl H. Burckardt | 1983-08-02 |
| 4395715 | Method and arrangement for controlling the print current in metal paper printers | Gottfried Goldrian | 1983-07-26 |
| 4392143 | Record carrier for electro-erosion printers | Marian Briska | 1983-07-05 |
| 4387119 | Process for generating a sliding layer on the surface of an aluminum-coated record carrier | Marian Briska | 1983-06-07 |
| 4381322 | Process for producing a sliding layer on the surface of an aluminum-coated record carrier | Marian Briska | 1983-04-26 |
| 4376943 | Record carrier for an electro-erosion printer and method for making same | Marian Briska | 1983-03-15 |
| 4369271 | Lacquer for record carriers, and process for its production | Marian Briska | 1983-01-18 |
| 4362843 | Process for producing a polymerized, heat-resistant lacquer | Marian Briska, Klaus Schackert | 1982-12-07 |
| 4359484 | Process for reducing traces of abrasion or scratches on the surface of a record carrier | Marian Briska | 1982-11-16 |
| 4339477 | Process for preparing a pigmented lacquer | Marian Briska | 1982-07-13 |
| 4320330 | Apparatus and method for determining step motor drive pulse timing by rotor displacement | Karl H. Burckardt | 1982-03-16 |
| 4186406 | Multiple-electrode print head for electroerosion printers | Karl H. Burckardt | 1980-01-29 |