Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385580 | Electronic information display device | — | 1997-10-28 |
| 5626431 | Felt-tip pen wth refilling means | Michael Schwarz | 1997-05-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385580 | Electronic information display device | — | 1997-10-28 |
| 5626431 | Felt-tip pen wth refilling means | Michael Schwarz | 1997-05-06 |