Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860594 | Apparatus and method for measuring mass flow and density | Gary C. Hammond, Dale P. Eddy | 1989-08-29 |
| 4838093 | Flow meter and method of measuring flow | Gary C. Hammond, Dale P. Eddy | 1989-06-13 |