Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993707 | Production of coated substrates | Edwin Nun, Heike Bergandt, Hannelore Armoneit, Marie-Theres Wilkes | 2011-08-09 |
| 7968202 | Method for sealing natural stones | Edwin Nun, Volker Hennige, Uwe Paulmann, Hannelore Armoneit, Sigrid Banken +4 more | 2011-06-28 |