Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019948 | Apparatus and method for purifying boron trichloride by removal of phosgene | Walter H. Whitlock, Edward Frederick Ezell | 2000-02-01 |
| 5833814 | Apparatus and method for purifying boron trichloride by removal of phosgene | Walter H. Whitlock, Edward Frederick Ezell | 1998-11-10 |