Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562021 | Variable stiffness electrically conductive composite, resistive heating catheter shaft | David A. Ferrera | 2003-05-13 |
| 6270427 | Golf ball with nickel-titanium wound core | David A. Ferrera, James W. Paul, Jr. | 2001-08-07 |