Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391893 | Magnetic developers and process for their preparation | — | 1983-07-05 |
| 4251611 | Process for formation of permanent image | Wolfgang Mehl, Robert Decombe | 1981-02-17 |
| 4251616 | Magnetic toners and development process | — | 1981-02-17 |
| 4246331 | Electrophotographic developers containing sublaminate dyes | Wolfgang Mehl | 1981-01-20 |