Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732416 | Pipe connectors | Donald N. Jones, Katsuo Ueno | 1988-03-22 |
| 4673201 | Pipe connector | Edward J. Speare, Katsuo Ueno, Donald N. Jones | 1987-06-16 |
| 4629222 | Pipe connector | Edward J. Speare, Katsuo Ueno, Donald N. Jones | 1986-12-16 |
| 4629223 | Pipe connector | Edward J. Speare, Katsuo Ueno, Donald N. Jones | 1986-12-16 |
| 4582348 | Pipe connector with varied thread pitch | Edward J. Speare, Katsuo Ueno, Donald N. Jones | 1986-04-15 |