Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7445533 | Inflation device | David Norton, Robert Overholt, Clarence Underwood, Gary Walker, Edward Demmer | 2008-11-04 |
| 6560499 | System and method for design and fabrication of stamping dies for making precise die blanks | — | 2003-05-06 |