Litzen; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Litzen; David.The latest application filed is for "pretreatment of biomass for ethanol production".
- Litzen; David - Rapid City SD
| Patent | Date |
|---|---|
| Pretreatment of biomass for ethanol production App 20060141584 - Litzen; David ; et al. | 2006-06-29 |
| Farrier's tool App 20020100172 - Litzen, David ; et al. | 2002-08-01 |
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