| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Lyell D. HENRY | means for sensing and tabulating the accumulated roughness of a roadway surface | 02946644 | Ames | 1960 |
| Lyell D. HENRY | means for sensing roughness of a roadway surface | 03069904 | Ames | 1962 |
| Lyell D. HENRY | counter means | 03157354 | Ames | 1964 |
| Lyell D. HENRY | counter means | 03157354 | Ames | 1964 |
| Lyell D. HENRY | phonograph needle cleaning device | 03162445 | Ames | 1964 |
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