Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423890 | Welded tube to wall junction | James R. Bray | 1984-01-03 |
| 4314587 | Rib design for boiler tubes | — | 1982-02-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423890 | Welded tube to wall junction | James R. Bray | 1984-01-03 |
| 4314587 | Rib design for boiler tubes | — | 1982-02-09 |