Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8522863 | Propellant fracturing system for wells | John P. Tiernan, Guy B. Spear | 2013-09-03 |
| 5777336 | Broadband high resolution X-ray spectral analyzer | Eric H. Silver, Mark Legros, Norm Madden, Fred Goulding | 1998-07-07 |