Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450476 | Writing, marking and/or drawing liquid for writing implements, especially for capillary pens, and writing implement | Gerhard Lugert, CONCETTA GOSCHALA | 2019-10-22 |
| 10329673 | Galvanic anode system for the corrosion protection of steel in concrete | — | 2019-06-25 |