Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438164 | Containers for X-ray films or the like | Josef Pfeifer | 1984-03-20 |
| 4210396 | Electrophotographic method and apparatus | Juurgen Muller, Josef Pfeifer | 1980-07-01 |
| 4193682 | Apparatus for developing latent images of X-rayed objects | Jurgen Muller, Josef Pfeifer, Rolf Erckel, Heinrich Farber, Bernhard Zrenner | 1980-03-18 |