Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365967 | Method of treating, especially dyeing, whitening or finishing, textile fabrics | Christian Guth | 1982-12-28 |
| 4345909 | Process for dyeing or treating textile fibre materials | Christian Guth, Hanspeter Gysin | 1982-08-24 |