Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888054 | Metal composites with fly ash incorporated therein and a process for producing the same | — | 1989-12-19 |
| 4881681 | Process for modifying the surface of metal or metal alloy substrates and surface modified products produced thereby | — | 1989-11-21 |
| 4852789 | Process for modifying the surface of metal or metal alloy substrates and surface modified products produced thereby | — | 1989-08-01 |
| 4835898 | Fish hook construction | — | 1989-06-06 |