Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357239 | Transfer membrane apparatus | William S. Haworth | 1982-11-02 |
| 4351797 | Transfer membrane assembly | Francis H. Bellhouse | 1982-09-28 |
| 4328102 | Membrane apparatus having alternate opposite flow transverse to means flow | William S. Haworth | 1982-05-04 |