Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683091 | Spiral wound gasket with at least five inner and outer plies secured by at least four welds | Takahito Isoe, Katsumi Watanabe, Takashi Nemoto | 1997-11-04 |
KH
Kanji Hanashima
Overall (1997): #123,432 of 185,788Top 70%
1
Patents 1997