Kern; Donald W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kern; Donald W..The latest application filed is for "ozone dispersion system".
- Kern; Donald W. - San Luis Obispo CA
| Patent | Date |
|---|---|
| Ozone dispersion system Grant 4,995,123 - Kern February 26, 1 | 1991-02-26 |
| Ozone injection system and method Grant 4,966,717 - Kern October 30, 1 | 1990-10-30 |
| Isolation system for a spa Grant 4,829,607 - Huse May 16, 1 | 1989-05-16 |
| Ozone injection method and apparatus Grant 4,640,783 - Kern February 3, 1 | 1987-02-03 |
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