Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031665 | Curved pipe section having refractory lining and central section of flexible insulating material | Te-Hung Chen | 1991-07-16 |
| 4711186 | Refractory anchor | Te-Hung Chen, Peter J. Shadbolt | 1987-12-08 |