Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486365 | Process and apparatus for the preparation of electret filaments, textile fibers and similar articles | Martin Stoll | 1984-12-04 |
| 4193412 | Additive for smoking tobacco products, filter elements thereof and process for the preparation thereof | Ernst Heim, Dieter Imbery | 1980-03-18 |