Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810890 | Process for dyeing synthetic polyamide fiber materials | Werner Russ, Robert Dewhurst, Charles Richard Langrick, David J. Marfell | 1998-09-22 |
| 5803930 | Dyeing preparations (compositions) of fiber-reactive dyes | Werner Russ | 1998-09-08 |