Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809514 | Apparatus for removing snow deposited on wall of snow generating apparatus | Yoshio Sasho, Taro Mori | 1989-03-07 |
| 4799379 | Apparatus for measuring the moisture content of snow particles | — | 1989-01-24 |
| 4798331 | Artificial snow production apparatus | — | 1989-01-17 |