Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7396499 | Multiple layered membrane with fluorine containing polymer layer | Thomas E. Frankel, Todd D. Ritter, Hong Suk Kim | 2008-07-08 |
| 6811148 | Quick-connect diffuser assembly | Thomas E. Frankel, Todd D. Ritter | 2004-11-02 |