Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315986 | Photographic emulsions and elements capable of forming direct-positive images | Roger M. Baralle, Maurice E. Pfaff, Claude G. Goumont | 1982-02-16 |
| 4306016 | Photographic emulsions and elements capable of forming direct-positive images | Roger M. Baralle, Maurice E. Pfaff, Frederic Xavier Jordi, Claude G. Goumont | 1981-12-15 |
| 4306017 | Photographic emulsions and elements capable of forming direct-positive images | Roger M. Baralle, Maurice E. Pfaff, Frederic Xavier Jordi, Claude G. Goumont | 1981-12-15 |