Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7016157 | E-block having improved resonance characteristics and improved fragility | Stephen P. Williams, Jonathan C. Hofland | 2006-03-21 |
| 6775106 | E-block having improved resonance characteristics and improved fragility | Stephen P. Williams, Jonathan C. Hofland | 2004-08-10 |
| 6538853 | E-block having improved resonance characteristics and improved fragility | Stephen P. Williams, Jonathan C. Hofland | 2003-03-25 |