| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Guo CHUA | Quick change valve trim assembly | 11187344 | Ames | 2021 |
| Guo CHUA | Quick change valve trim assembly | 10655745 | Ames | 2020 |
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