Yehl; James E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yehl; James E..The latest application filed is for "ionizer".
- Yehl; James E. - Boulder CO
| Patent | Date |
|---|---|
| Ionizer Grant D357,311 - Yehl April 11, 1 | 1995-04-11 |
| Surface cleaning apparatus and method Grant 5,187,635 - Yehl February 16, 1 | 1993-02-16 |
| Apparatus and method for selective environmental conditioning of substantially enclosed areas Grant 5,043,840 - Yehl , et al. August 27, 1 | 1991-08-27 |
| Apparatus and method for establishing selected environmental characteristics Grant 5,010,777 - Yehl , et al. * April 30, 1 | 1991-04-30 |
| Apparatus and method for environmental modification Grant 4,911,737 - Yehl , et al. March 27, 1 | 1990-03-27 |
| Goggle frame Grant D273,819 - Yehl May 15, 1 | 1984-05-15 |
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