Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D340477 | Ball-point pen tip | — | 1993-10-19 |
| D318688 | Writing instrument | — | 1991-07-30 |
| D310542 | Writing instrument | — | 1990-09-11 |
| D288450 | Writing instrument | — | 1987-02-24 |
| D288335 | Writing instrument | — | 1987-02-17 |
| D287373 | Writing instrument | — | 1986-12-23 |
| D287141 | Writing instrument | — | 1986-12-09 |
| D286893 | Writing instrument | — | 1986-11-25 |