| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| John J. SCHOLTEN | water treating apparatus | 03279610 | Ames | 1966 |
| John J. SCHOLTEN | aeration device for filter tanks | 03765535 | Ames | 1973 |
| John J. SCHOLTEN | packed bed reactor apparatus for wastewater treatment | 03876541 | Ames | 1975 |
| John J. SCHOLTEN | method of simultaneous air-water wash of multiple-media filters | 04322299 | Ames | 1982 |
| John J. SCHOLTEN | method of simultaneous air-water wash of multiple-media filters | 04322299 | Ames | 1982 |
| John James SCHOLTEN | baffle and wash trough assembly for granular-media filters | 04076625 | Ames | 1978 |
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