| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Marlyn J. MURTHA | recovery of iron oxide from coal fly ash | 04386057 | Ames | 1983 |
| Marlyn J. MURTHA | process for the recovery of alumina from fly ash | 04397822 | Ames | 1983 |
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