Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450476 | Writing, marking and/or drawing liquid for writing implements, especially for capillary pens, and writing implement | Wolfgang Schwarz, Gerhard Lugert | 2019-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450476 | Writing, marking and/or drawing liquid for writing implements, especially for capillary pens, and writing implement | Wolfgang Schwarz, Gerhard Lugert | 2019-10-22 |