Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679121 | Blade vibration test apparatus and method | H. Eric Sonnichsen, Paul Wawrzonek, Borislav Milatovic | 2004-01-20 |
| 4382003 | Breaker system for hydraulic fracturing fluids | Clare H. Kucera | 1983-05-03 |