Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524452 | Electrochemical cell | Duncan Guy Clark, Herbert Stephen Oates | 2003-02-25 |
| 6086643 | Method for the fabrication of electrochemical cells | Duncan Guy Clark, Stewart Ernest Male | 2000-07-11 |
| 4488860 | Method and apparatus for producing multi-layer expanded films | John E. Miller, Lawrie A. Williamson | 1984-12-18 |
| 4383968 | Method and apparatus for producing multi-layer expanded films | John E. Miller, Lawrie A. Williamson | 1983-05-17 |