Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516142 | Internal heating element for pipes and tubes | Clifford D. Tweedy, John W. Schlesselman | 2003-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516142 | Internal heating element for pipes and tubes | Clifford D. Tweedy, John W. Schlesselman | 2003-02-04 |