| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Thomas WATTS | pilot-operated pressure override valve | 05265422 | Ames | 1993 |
| Thomas A. WATTS | hydraulic displacement unit and method of assembly thereof | 04620475 | Ames | 1986 |
| Thomas A. WATTS | removable fluid seal and method | 05118079 | Ames | 1992 |
| Thomas A. WATTS | spool valve and method of making the same | 05193584 | Ames | 1993 |
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