Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11259680 | Cleaning implement comprising a modified open-cell foam | David John Pung, Johann Martin Szeifert | 2022-03-01 |
| 11254795 | Production of melamine-formaldehyde foams | Johann Martin Szeifert, Bernhard Vath, Tobias Heinz Steinke, Bettina Wester, Cecile Schneider +5 more | 2022-02-22 |
| 11224328 | Cleaning implement comprising a modified open-cell foam | David John Pung, Johann Martin Szeifert | 2022-01-18 |