Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549779 | Process for the production of a pencil | — | 1996-08-27 |
| 5336307 | Marker pencil | Ivan Horvat, Manfred Schweizer | 1994-08-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549779 | Process for the production of a pencil | — | 1996-08-27 |
| 5336307 | Marker pencil | Ivan Horvat, Manfred Schweizer | 1994-08-09 |