Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D481070 | Curved pen clip | Boyd I. Willat, Robert Portillo | 2003-10-21 |
| D474809 | Pen with curved clip and angular glass tipped bottom | Boyd I. Willat, Robert Portillo, John G. Wong | 2003-05-20 |