| 7797763 |
Protective helmet, especially bicycle helmet |
— |
2010-09-21 |
| 6705719 |
Sight piece, in particular for skiing goggles and method for the manufacture thereof |
Franz Huber |
2004-03-16 |
| 6405373 |
Visor for helmet, particularly a motorcycle helmet |
— |
2002-06-18 |
| 5627607 |
Spectacles with movable gems |
— |
1997-05-06 |
| 5419959 |
Magnetic recording medium having an infra-red light transparent balkcoat layer |
Hermann Roller, Peter Heilmann, Michael Hitzfeld, Dieter Stockburger, Werner Latzel +4 more |
1995-05-30 |
| 5084319 |
Disk-shaped magnetic recording media, their production and information stores containing these recording media |
Hartmut Hibst, Arend Werner, Joachim Hack, Heinrich Mannsperger, Michael Hitzfeld +2 more |
1992-01-28 |
| 5082689 |
Production of magnetic recording media |
Ludwig Kreitner, August Lehner, Hans Reichert, Friedrich Sommermann, Norbert Schneider +1 more |
1992-01-21 |
| D321703 |
Sunglasses |
— |
1991-11-19 |
| 5050015 |
Method and arrangement for reducing wear in a magnetic storage means |
Joachim Hack, Werner Sickmueller, Heinrich Mannsperger, Helmut Jakusch |
1991-09-17 |
| 4991952 |
Pair of glasses with inclinable temples |
— |
1991-02-12 |
| 4891114 |
Magnetic recording media |
Michael Hitzfeld, Joachim Hack |
1990-01-02 |
| 4842896 |
Production of magnetic recording media |
Albert Kohl, Jenoe Kovacs, Werner Balz, Wulf Muenzer |
1989-06-27 |
| 4835909 |
Surface treatment of disk-shaped nickel-plated aluminum substrates |
Juergen Richter, Gerd Maurer, Friedrich Domas, Werner Loeser, Rainer Bender +2 more |
1989-06-06 |
| 4647513 |
Magnetic recording media |
August Lehner, Albert Kohl, Werner Balz, Friedrich Sommermann, Milan Velic +1 more |
1987-03-03 |
| 4619777 |
Preparation of a magnetic dispersion |
Milena Melzer, Helmut Jakusch, Eberhard Koster, Werner Loser, Reinhard Polke +3 more |
1986-10-28 |
| 4597990 |
Preparation of magnetic recording media |
Hermann Roller, Joachim Hack, Uwe Woweries, August Lehner, Peter Nagel +1 more |
1986-07-01 |
| 4568610 |
Magnetic recording media |
August Lehner, Werner Balz, Milan Velic, Helmut Kopke, Reinhold Baur |
1986-02-04 |
| 4567108 |
Magnetic recording media |
August Lehner, Helmut Kopke, Hermann Roller, Werner Balz, Eberhard Koester +1 more |
1986-01-28 |
| 4560456 |
Magnetic recording media |
Guenter Heil, Werner Lenz, Jenoe Kovacs, Werner Balz |
1985-12-24 |
| 4560624 |
Magnetic recording media with a dual protective coating of silicon monoxide and chromium |
Christine Guttner, Peter Heilmann, Udo Kullmann, Dieter Mayer |
1985-12-24 |
| 4559118 |
Magnetic recording media |
Guenter Heil, Herbert Spoor, Werner Lenz, Jenoe Kovacs, Werner Balz +1 more |
1985-12-17 |
| 4534999 |
Production of magnetic recording media having a backing coating |
Hermann Roller, August Lehner, Joachim Hack, Werner Balz, Reinhold Baur |
1985-08-13 |
| 4430362 |
Production of magnetic recording media |
Milena Melzer, Norbert Schneider, Helmut Kopke, Klaus Schoettle, Eberhard Koester +1 more |
1984-02-07 |
| 4414287 |
Magnetic recording medium and its manufacture |
Eckhart Kneller, Roland Koenig, Eberhard Koester, Dieter Mayer |
1983-11-08 |
| 4287225 |
Process of making a magnetic recording medium |
Eckhart Kneller, Roland Koenig, Eberhard Koester, Dieter Mayer |
1981-09-01 |
