Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974434 | Controlled shot peening | Helmut Reccius | 1990-12-04 |
| 4758291 | Method and apparatus for automatically applying lining material to large-area wall surfaces | Gerald Fechner, Gerhard Porrmann | 1988-07-19 |
| 4664741 | Apparatus for automatically applying and pressing webs of rubber or similar lining material to and against expanded wall surfaces | Gerald Fechner, Gerhard Porrmann | 1987-05-12 |
| 4340292 | Photographic apparatus for using roll films | Carl Koch, Richard Zehnder | 1982-07-20 |
| 4233869 | Apparatus for slitting webs of material | Herbert Schonmeier | 1980-11-18 |