Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356502 | Method for lining a branch pipe | Takao Kamiyama | 1994-10-18 |
| 5354586 | Tubular lining material and a method for impregnating the same with a hardenable resin | Hiroyuki Aoki | 1994-10-11 |
| 5348764 | Method for impregnating a lining material with a hardenable resin | — | 1994-09-20 |