David D. Hall

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Quincy, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Betaine as a substitute for supplementary methionine in animal diets
- Patent number 5,773,052
- Issue date Jun 30, 1998
- Cultor Ltd.
- Erkki Virtanen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE