Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637111 | Process of making heat exchangers | Franz X. Wohrstein | 1987-01-20 |
| 4565244 | Tubular articles of manufacture and method of making same | Joseph M. O'Connor | 1986-01-21 |
| 4554970 | Heat exchangers and method of making same | Franz X. Wohrstein | 1985-11-26 |
| 4369833 | Tube supports | — | 1983-01-25 |
| 4298062 | Heat exchangers and method of making same | — | 1981-11-03 |
| 4241785 | Heat exchangers and method of making same | Joseph M. O'Connor | 1980-12-30 |
| 4203311 | Tubular articles of manufacture and method of making same | Joseph M. O'Connor | 1980-05-20 |