Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886416 | Exhaust-gas turbocharger for an internal-combustion engine | — | 1989-12-12 |
| 4837320 | One-amine-2-sulpho-4-[(4-halo-6-amino triazinyl-2)aminocyclohexylamino]anthraquinone reactive dyestuffs | Wolfgang Harms, Klaus von Oertzen | 1989-06-06 |
| 4806640 | Triphendioxazine reactive dyestuffs | Wolfgang Harms | 1989-02-21 |