Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343350 | Double wall tubing assembly and method of making same | Bonnie J. Campbell, James L. Cunningham, Karl J. Youtsey | 1982-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343350 | Double wall tubing assembly and method of making same | Bonnie J. Campbell, James L. Cunningham, Karl J. Youtsey | 1982-08-10 |