Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857162 | Chromium solution regenerator | Billy J. Swink | 1989-08-15 |
| 4828639 | Elastomeric ball pressurizing method for adhesive bonding of assemblies | Sam C. Aker, Jay W. Jackson | 1989-05-09 |