Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665120 | Modified liquid permeable asbestos diaphragms with improved dimensional stability | Louis W. Hruska | 1987-05-12 |
| 4563260 | Modified liquid permeable asbestos diaphragms with improved dimensional stability | Louis W. Hruska | 1986-01-07 |
| 4447566 | Modified liquid permeable asbestos diaphragms with improved dimensional stability | Louis W. Hruska | 1984-05-08 |
| 4444640 | Dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chloralkali electrolytic cells | Leo L. Benezra, Lewis R. Horvat, John P. Hazzard | 1984-04-24 |
| 4354900 | Strengthened fiberous electrochemical cell diaphragm and a method for making | Rodney R. Bailey, Carl W. Brown, Jr., Louis W. Hruska | 1982-10-19 |