Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336043 | Filter unit construction for a filtration assembly | Masaru Aonuma | 1982-06-22 |
| 4193443 | Heat exchanger for cooling system compressed air dehumidifiers | Koji Baba | 1980-03-18 |