Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354106 | Connector for connecting a pipe of small diameter with block expansion prevention surfaces | Katsushi Washizu | 1994-10-11 |
| 5338073 | Slender pipe connecting connector | Katsushi Washizu | 1994-08-16 |