Stedman; James K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stedman; James K..The latest application filed is for "method of and arrangement for replenishing hydrogen consumed by a fuel cell device".
- Stedman; James K. - Glastonbury CT
- Stedman; James K. - Glastonburg CT
| Patent | Date |
|---|---|
| Method of and arrangement for replenishing hydrogen consumed by a fuel cell device Grant 5,202,195 - Stedman , et al. April 13, 1 | 1993-04-13 |
| Regenerative fuel cell Grant 3,981,745 - Stedman September 21, 1 | 1976-09-21 |
| Regenerative Fuel Cell Grant 3,839,091 - Bloomfield , et al. October 1, 1 | 1974-10-01 |
| Matrix-type Fuel Cell Grant 3,779,811 - Bushnell , et al. December 18, 1 | 1973-12-18 |
| Electrochemical Cell Grant 3,769,090 - Katz , et al. October 30, 1 | 1973-10-30 |
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