Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006406 | Magnetic recording media | Jenoe Kovacs, Milena Melzer, Werner Balz, Werner Loch, Helmut Jakusch | 1991-04-09 |
| 4895764 | Magnetic recording media | August Lehner, Albert Kohl, Michael Bobrich, Hermann Roller, Peter Richter +2 more | 1990-01-23 |
| 4687813 | Production of coatings | Hans Sander, Dieter Moeller | 1987-08-18 |
| 4678026 | Cooler for a water cooled internal combustion engine | Manfred Most | 1987-07-07 |
| 4673591 | Production of layer-type magnetic recording media | August Lehner, Guenter Heil, Werner Balz, Albert Kohl, Gunnar Schornick | 1987-06-16 |
| 4671969 | Production of layer-type magnetic recording media | August Lehner, Werner Balz, Albert Kohl, Guenter Heil | 1987-06-09 |
| 4666783 | Magnetic recording media | Guenter Heil, Jenoe Kovacs | 1987-05-19 |
| 4666781 | Magnetic recording media | August Lehner, Guenter Heil, Jenoe Kovacs, Werner Balz | 1987-05-19 |
| 4590144 | Photopolymerizable recording material and the production of relief plates using this recording material | Gunnar Schornick, Mong-Jon Jun, Axel Sanner, August Lehner, Peter Richter +1 more | 1986-05-20 |
| 4578426 | Production of coatings | Hans Sander, Dieter Moeller | 1986-03-25 |
| 4576898 | Process of making photopolymer relief plates using an adhesive layer | Gerhard Hoffmann, Dieter Kleuser | 1986-03-18 |
| 4568612 | Magnetic recording media | August Lehner, Werner Balz, Helmut Kopke, Rudolf Bachmann, Milan Velic +3 more | 1986-02-04 |
| 4567109 | Magnetic recording media | August Lehner, Milan Velic, Helmut Kopke, Werner Balz, Reinhold Baur +1 more | 1986-01-28 |
| 4560456 | Magnetic recording media | Guenter Heil, Jenoe Kovacs, Werner Grau, Werner Balz | 1985-12-24 |
| 4559118 | Magnetic recording media | Guenter Heil, Herbert Spoor, Jenoe Kovacs, Werner Grau, Werner Balz +1 more | 1985-12-17 |
| 4557813 | Magnetic recording media | Guenter Heil, Jenoe Kovacs | 1985-12-10 |
| 4548691 | Thermally insulating glazing | Anton Dietrich, Klaus Hartig, Michael Scherer | 1985-10-22 |
| 4540044 | Radiator arrangement | — | 1985-09-10 |
| 4532300 | Production of coatings | Hans Sander, Dieter Moller | 1985-07-30 |
| 4421840 | Photopolymerizable recording material containing a diisocyanate modified nylon binder | August Lehner, Heinz-Ulrich Werther, Dieter Naegele, Mong-Jon Jun, Horst Reimann +1 more | 1983-12-20 |
| 4387157 | Photosensitive multi-layer material and preparation of adhesive layers employed therein | Bernd Bronstert, Herbert Hahn, Gerhard Hoffmann | 1983-06-07 |
| 4357414 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Gerhard Hoffmann | 1982-11-02 |
| 4355093 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Gerhard Hoffmann, John Lynch, Herbert Naarmann | 1982-10-19 |
| 4334034 | Process for the preparation of polymerizable polyurethane elastomers | August Lehner, Heinrich Hartmann, Guenter Heil, Ingolf Buethe, Rudolf Bachmann | 1982-06-08 |