Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845989 | Method and apparatus for determining elastic constants in tubes | Joseph D. Titlow, Wilmut Brost | 1989-07-11 |
| 4823592 | Test apparatus for proving the performance of mass flow meters | — | 1989-04-25 |