Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342602 | Dulling agent on the basis of wax for varnishes, and process for the manufacture thereof | Karl Petz, Dieter Steidl | 1982-08-03 |
| 4315957 | Process for protecting metal or lacquered surfaces | Alfred Hereth, Josef Wildgruber | 1982-02-16 |