Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273641 | Electrode and method for measuring levelling power | Zheng Wang, Dale W. Krueger | 1993-12-28 |
| 5236571 | Electrode and method for measuring levelling power | Zheng Wang, Dale W. Krueger | 1993-08-17 |
| 4741377 | Double cavity mould for anode casting | Robert A. Roberti, Sid E. Segsworth | 1988-05-03 |