| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Richard MARKUSZEWSKI | chemical cleaning of coal by molten caustic leaching after pretreatment by low-temperature devolatilization | 04859212 | Ames | 1989 |
| Richard MARKUSZEWSKI | material separation efficiency determination employing fluorescing control particles | 05024753 | Ames | 1991 |
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