Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830846 | Separation process for anhydrous HCl and HBr by thermal cleavage | Herbert C. Jackson, Jr., Hughie R. Frick, deceased | 1989-05-16 |
RD
Robert A. DeVries
Overall (1989): #63,872 of 140,708Top 50%
1
Patents 1989