Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819249 | Device for determining the accuracy of a thermally-activated instrument | Ronald E. Ekstrom, Walter E. Ekstrom, Allan D. Ekstrom | 1989-04-04 |
| 4221134 | Differential pressure transducer with strain gauge | — | 1980-09-09 |