Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655242 | Water seal drum | Noboru Hashimoto, Okitsugu Shinobu | 1987-04-07 |
| 4652233 | Ground flare stack | John F. Straitz, III, Shintaro YANO | 1987-03-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655242 | Water seal drum | Noboru Hashimoto, Okitsugu Shinobu | 1987-04-07 |
| 4652233 | Ground flare stack | John F. Straitz, III, Shintaro YANO | 1987-03-24 |