Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8132463 | Method and apparatus for detecting voids in a pipe | Herbert Estrada, Matthew Mihalcin, Donald R. Augenstein | 2012-03-13 |
| 7159472 | Apparatus for determining fluid flow | Calvin R. Hastings, Robert C. Miller | 2007-01-09 |
| 5705753 | Apparatus for determining fluid flow | Calvin R. Hastings, Robert C. Miller | 1998-01-06 |
| 5639972 | Apparatus for determining fluid flow | Calvin R. Hastings, Robert C. Miller | 1997-06-17 |
| 5597962 | Apparatus for determining fluid flow | Calvin R. Hastings, Robert C. Miller | 1997-01-28 |
| 5546813 | Apparatus for determining fluid flow | Calvin R. Hastings, Robert C. Miller | 1996-08-20 |