| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Roy J. ZINGG | logical porcessing system | 03611309 | Ames | 1971 |
| Roy J. ZINGG | digital system for controlling signal transfers between registers and data buses | 03644901 | Ames | 1972 |
| Roy J. ZINGG | variable diameter disc pack with cooperating head | 03703713 | Ames | 1972 |
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