Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473283 | Arrangement for developing photomaterials in rotatable drum | Rainer Bernhardt, Walter Kremer | 1984-09-25 |
| 4448365 | Film developing spool | Walter Kremer, Rainer Bernhardt, Johannes J. Bockemuehl-Simon | 1984-05-15 |