Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814702 | Process for accurately determining the position of the edges of support plates in steam generators | James Yeh | 1989-03-21 |
| 4795885 | Flexible radiant tube heater | Thomas J. Saska, Bruce W. Bevilacqua | 1989-01-03 |