Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503695 | Lining material for pipe lines and a process for providing pipe lines therewith | Takayoshi Imoto | 1996-04-02 |
| 5334429 | Lining material for pipe lines and a process for providing pipe lines therewith | Takayoshi Imoto | 1994-08-02 |