Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524434 | Tubular device in a bagging machine | Klaus Domke, Herbert Stotkiewitz, Wolfgang Bloch, Frank Kurz, Alexander Lutz +1 more | 2003-02-25 |
| 4853190 | Process & apparatus for the production of hydrogen cyanide | Reinhard Manner, Carl Voight, Wolf-Dieter Pfeifer | 1989-08-01 |
| 4594234 | Process and apparatus for the production of hydrogen cyanide | Reinhard Manner, Carl Voigt, Wolf-Dieter Pfeifer | 1986-06-10 |
| 4390532 | Topical combinations of an .alpha.-estradiol with a methyl xanthine | Gunter Stuttgen | 1983-06-28 |
| 4378995 | Iron blue pigment, process for making the same and use | Everhard Gratzfeld, Eva Clausen, Helmut Reinhardt | 1983-04-05 |
| 4368075 | Iron blue pigment, process for making the same and use | Everhard Gratzfeld, Eva Clausen, Helmut Reinhardt | 1983-01-11 |
| 4366138 | Carbon black useful for pigment for black lacquers | Edith Eisenmenger, Richard Engel, Gerhard Kuhner, Reinhold Reck, Manfred Voll | 1982-12-28 |
| 4295908 | Method and apparatus for heat sealing a plurality of sets of continuous plastic strips together by radio frequency energy | Alfred Langer | 1981-10-20 |