| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Warren B. BOAST | generator | 02588797 | Ames | 1952 |
| Warren B. BOAST | wattmeter-varmeter | 02661457 | Ames | 1953 |
| Warren B. BOAST | phase shifting transformer | 02737626 | Ames | 1956 |
| Warren B. BOAST | method and apparatus for frequency compensation of electro-mechanical transducer | 03988541 | Ames | 1976 |
| Warren Benefield BOAST | method and apparatus for frequency compensation of electro-acoustical transducer and its environment | 04109107 | Ames | 1978 |
Copyright © - 2020–2024 Mark Christian