| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Morton SMUTZ | method of processing monazite sand | 02849286 | Ames | 1958 |
| Morton SMUTZ | niobium tantalum separation | 03107976 | Ames | 1963 |
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