Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7715983 | Detecting hazardous conditions in underground environments | William G. Barrus | 2010-05-11 |
| 7369948 | System and methods for predicting failures in a fluid delivery system | William G. Barrus | 2008-05-06 |