Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894942 | Gravity feed flow-rack apparatus | Muneharu Miyashita | 1999-04-20 |
| 4530760 | Water surface flotage suctioning apparatus | — | 1985-07-23 |
| 4305830 | Water surface cleaner, method and apparatus | — | 1981-12-15 |