Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929421 | Aluminum alloys and a method of production | Iljoon Jin | 1990-05-29 |
| 4878338 | Grass cutting machine | Edward J. Aldred | 1989-11-07 |
| 4731259 | Descaling process | — | 1988-03-15 |