Dobberstein; Robert H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dobberstein; Robert H..The latest application filed is for "cholesteric liquid crystal formulations and time/temperature monitoring means".
- Dobberstein; Robert H. - Arlington Heights IL
- Dobberstein; Robert H. - Wheaton IL
| Patent | Date |
|---|---|
| Cholesteric liquid crystal formulations and time/temperature monitoring means Grant 4,859,360 - Suzuki , et al. August 22, 1 | 1989-08-22 |
| Flavor enhancing and modifying materials Grant 4,612,942 - Dobberstein , et al. Sept | 1986-09-23 |
| Extraction, separation and recovery of diterpene glycosides from Stevia rebaudiana plants Grant 4,361,697 - Dobberstein , et al. Nov | 1982-11-30 |
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