Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305509 | Non-contact rotation waterproof and dustproof method and machine using the same | Hideo Yuhara | 1994-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305509 | Non-contact rotation waterproof and dustproof method and machine using the same | Hideo Yuhara | 1994-04-26 |