Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428232 | Roller ball pen with adjustable spring tension | Bernard J. McCauley, Michael Huneke | 2002-08-06 |
| 6409405 | Fountain pen with leak proof piston converter | — | 2002-06-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428232 | Roller ball pen with adjustable spring tension | Bernard J. McCauley, Michael Huneke | 2002-08-06 |
| 6409405 | Fountain pen with leak proof piston converter | — | 2002-06-25 |