Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273641 | Electrode and method for measuring levelling power | Vladimir K. Blechta, Zheng Wang | 1993-12-28 |
| 5236571 | Electrode and method for measuring levelling power | Vladimir K. Blechta, Zheng Wang | 1993-08-17 |