Barber; Duane G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barber; Duane G..The latest application filed is for "rate nephelometer".
- Barber; Duane G. - Yorba Linda CA
| Patent | Date |
|---|---|
| Rate nephelometer Grant 5,969,814 - Barber , et al. October 19, 1 | 1999-10-19 |
| Nephelometer and turbidimeter combination Grant 5,940,178 - Barber , et al. August 17, 1 | 1999-08-17 |
| Fluid probe washing apparatus and method Grant 5,408,891 - Barber , et al. April 25, 1 | 1995-04-25 |
| Rotatable vortexing turntable Grant 5,066,135 - Meyer , et al. November 19, 1 | 1991-11-19 |
| Holder for sample containers of different sizes Grant 3,918,920 - Barber November 11, 1 | 1975-11-11 |
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