Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766565 | Purification of hydrochloric acid | Robert Dennis Crow, William A. Evanko | 1998-06-16 |
| 5330735 | Purification of hydrochloric acid | William A. Evanko, Alireza Malekadeli | 1994-07-19 |