Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131692 | Pipe connector with threaded seal in nonthreaded cavity | — | 1992-07-21 |
| 4927192 | Pipe connector load element | Tep Ungchusri | 1990-05-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131692 | Pipe connector with threaded seal in nonthreaded cavity | — | 1992-07-21 |
| 4927192 | Pipe connector load element | Tep Ungchusri | 1990-05-22 |