Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353939 | Process for the manufacture of tubing based on cellulose hydrate having a coating on its inside and apparatus for carrying out the process | Reinhold Becker, Heinz Kalberer | 1982-10-12 |
| 4353940 | Process for the manufacture of tubing having a coating on its inside and apparatus for carrying out the process | Reinhold Becker, Heinz Kalberer | 1982-10-12 |