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Sei H. Song
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Des Plaines, IL, US
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last 30 patents
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Patent Grant
Fluorescent magnetic composition and method of making and using same
Patent number
4,724,094
Issue date
Feb 9, 1988
Magnaflux Corporation
Sei H. Song
G01 - MEASURING TESTING
Information
Patent Grant
Method using aqueous emulsion having magnetizable particles for det...
Patent number
4,361,806
Issue date
Nov 30, 1982
Magnaflux Corporation
Sei H. Song
G01 - MEASURING TESTING