Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419357 | Leakage free relief valve or fuse plug for protecting pressurized devices for over pressure due to fire | Chang Lhymn | 1995-05-30 |
| 5223347 | Creep resistant composite alloys | Chang Lhymn | 1993-06-29 |
| 5034283 | Economic fabrication of composite zinc alloys | Chang Lhymn | 1991-07-23 |
| 4962003 | Development of fusible alloy composites | Chang Lhymn | 1990-10-09 |
| 4927712 | Fusible core alloy composites for plastics molding | Chang Lhymn | 1990-05-22 |