Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922417 | Polymeric sheet | John A. Cook, Kenneth Gargan | 1999-07-13 |
| 5830604 | Polymeric sheet and electrochemical device using the same | John A. Cook, Kenneth Gargan | 1998-11-03 |
| 5425865 | Polymer membrane | John A. Cook, Kenneth Gargan | 1995-06-20 |
| 5256503 | Process for making a composite membrane | John A. Cook, Iain S. R. Smith | 1993-10-26 |
| 5006187 | Plugged microporous film | John A. Cook | 1991-04-09 |
| 4818596 | Waterproof article and method for making a waterproof article | John A. Cook | 1989-04-04 |