Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |