Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9074124 | Ceramic particles and methods for making the same | Walter T. Stephens, Kevin R. Dickson, Tihana Fuss, Ian Jaeger, Suchira Sen +1 more | 2015-07-07 |
| 7067445 | Extended particle size distribution ceramic fracturing proppant | Roy A. Webber, Stephen K. Schubarth, Edwyn M. Snyder, Andrew T. Sheppard | 2006-06-27 |
| 6780804 | Extended particle size distribution ceramic fracturing proppant | Roy A. Webber, Stephen K. Schubarth, Edwyn M. Snyder, Andrew T. Sheppard | 2004-08-24 |