| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Gabriel D. ENGEL | dc motor drive assembly having a controller/charge with regenerative braking | 05712549 | Ames | 1998 |
| Gabriel D. ENGEL | dc motor drive assembly including integrated charger/controller/regenerator circuit | 05717303 | Ames | 1998 |
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