Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537425 | High integrity flange connection arrangement | Irving D. Press, Helm A. Rink | 1985-08-27 |
| 4296804 | Corrosion resistant heat exchanger element and method of manufacture | Irving D. Press, Helm A. Rink | 1981-10-27 |
| 4289340 | Mechanically attached end fitting with insert for metal tubing | Irving D. Press | 1981-09-15 |