Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810345 | Diaphragm for an electrolytic cell | Tilak V. Bommaraju, Robert Kiszewski, Ursula I. Keller | 1989-03-07 |
| 4741813 | Diaphragm for an electrolytic cell | Robert Kiszewski, Ursula I. Keller | 1988-05-03 |
| 4366037 | Method of increasing useful life expectancy of microporous separators | Edward H. Cook, Jr., Krishnan Viswanathan | 1982-12-28 |
| 4250002 | Polymeric microporous separators for use in electrolytic processes and devices | Christine A. Lazarz, Edward H. Cook, Jr. | 1981-02-10 |