Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814054 | Apparatus for producing one-side electroplated steel strip with enhanced phosphatability | Timothy R. Roberts, David M. Smith, Alan F. Gibson | 1989-03-21 |
| 4808278 | Method and apparatus for producing one-side electroplated steel strip with enhanced phosphatability | Timothy R. Roberts, David M. Smith, Alan F. Gibson | 1989-02-28 |