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Robert H. Dobberstein
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Arlington Heights, IL, US
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last 30 patents
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Patent Grant
Cholesteric liquid crystal formulations and time/temperature monito...
Patent number
4,859,360
Issue date
Aug 22, 1989
Biosynergy, Inc.
Fred K. Suzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Flavor enhancing and modifying materials
Patent number
4,612,942
Issue date
Sep 23, 1986
Stevia Company, Inc.
Robert H. Dobberstein
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Extraction, separation and recovery of diterpene glycosides from St...
Patent number
4,361,697
Issue date
Nov 30, 1982
F. K. Suzuki International, Inc.
Robert H. Dobberstein
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE