Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883723 | Hot dip aluminum coated chromium alloy steel | Farrell M. Kilbane, Richard A. Coleman, Alan F. Gibson | 1989-11-28 |
| 4800135 | Hot dip aluminum coated chromium alloy steel | Farrell M. Kilbane, Richard A. Coleman, Alan F. Gibson | 1989-01-24 |