Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820359 | Process for thermally stress-relieving a tube | Bruce W. Bevilacqua, Donald R. Stoner, Fredric W. Pement, Robert D. Burack, Joseph M. Gilkison | 1989-04-11 |
| 4816089 | Process for heat treating a heat exchanger tube surrounded by a support plate | George G. Elder | 1989-03-28 |