Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250296 | Levelling agent and process for the even dyeing of materials made of synthetic fibers | Gerhard Weckler, Karl Hintermeier, Friedrich Engelhardt | 1981-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250296 | Levelling agent and process for the even dyeing of materials made of synthetic fibers | Gerhard Weckler, Karl Hintermeier, Friedrich Engelhardt | 1981-02-10 |