Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897443 | Polysulfide sheeting | Raymond Robinson, Timothy C. P. Lee, Lothar Hockenberger, Franz Bergmann, Karl Ruehl +1 more | 1990-01-30 |
| 4689395 | Anhydrous thermosetting adhesive/sealant composition comprising mercapto terminated polymer and MnO.sub.2 hardener | Franz Bergmann, Lothar Hockenberger, Ralf Paehler | 1987-08-25 |
| 4425236 | Novel process for removal of cadmium ions | Otto Neunhoeffer, Gerhard Wilhelm, Lothar Hockenberger, Franz Bergmann | 1984-01-10 |