Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347725 | Method and apparatus for vacuum drying colloidal substances | — | 1994-09-20 |
| 5333957 | Ball bearing with seal | Kee K. Yip, Hirofumi Shigenobu, Kyoji Kato, Nobuo Yagami | 1994-08-02 |