Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172359 | Marking implement | — | 2007-02-06 |
| 7147394 | Writing insert with non-destructive final inspection | — | 2006-12-12 |
| 7086527 | Receptacle for accommodating at least one pencil | — | 2006-08-08 |
| D339822 | Writing instruments | Anke Wehrhoff | 1993-09-28 |
| 5004363 | Applicator device for cosmetic uses | Gerhard Huttner, Peter A. Kruckel | 1991-04-02 |
| 4993858 | Applicator device for cosmetic uses | — | 1991-02-19 |
| D299470 | Marking instrument | — | 1989-01-17 |
| D271889 | Marking instrument | Peter A. Kruckel | 1983-12-20 |
| D269445 | Writing instrument | Peter A. Kruckel | 1983-06-21 |
| D268501 | Marking instrument | Peter A. Kruckel | 1983-04-05 |