Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496728 | Methods for extracting substances using alternating current | William I. Higuchi, Honggang Zhu, Yang Song | 2002-12-17 |
| 6479415 | Absorbent structures having fluid acquisition and distribution layer | John P. Erspamer, Samuel C. Baer | 2002-11-12 |