Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5984556 | Writing instrument improved outer barrel and method of producing the outer barrel | Michael McKenna, Christine Weigand | 1999-11-16 |
| D393876 | Writing instrument having light reflective surfaces | Michael McKenna, Christine Weigand | 1998-04-28 |