| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| David E. HUGHES | veterinary ocular ring device for sustained drug release | 04201210 | Ames | 1980 |
| Michael S. HUGHES | means and method for nonuniform poling of piezoelectric transducers | 04961252 | Ames | 1990 |
| Michael S. HUGHES | ultrasonic unipolar pulse/echo instrument | 05199299 | Ames | 1993 |
| Michael S. HUGHES | entropy-based signal receiver | 05247302 | Ames | 1993 |
| Michael S. HUGHES | thermodynamics-based signal receiver | 05280291 | Ames | 1994 |
| William L. HUGHES | method for recording and reproducing color television information | 02953633 | Ames | 1960 |
| William L. HUGHES | color television recordal | 02969425 | Ames | 1961 |
| William L. HUGHES | field sequential color signal combined with continuous brightness signal | 03048653 | Ames | 1962 |
| William Lewis HUGHES | frequency dividing circuit | 02739240 | Ames | 1956 |
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