Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192407 | Means and method of detection in chemical separation procedures | Edward S. Yeung, Lance B. Koutny, Barry L. Hogan, Yinfa Ma | 1993-03-09 |
| 5125422 | Power driven fingernail polishing apparatus | Lee T. Chi, Lau Y. Mo | 1992-06-30 |