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Martina Schmidt
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Munster, DE
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last 30 patents
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Patent Grant
Supertwist liquid-crystal display
Patent number
6,017,469
Issue date
Jan 25, 2000
Merck Patent Gesellschaft mit beschrankter Haftung
Volker Reiffenrath
C07 - ORGANIC CHEMISTRY
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Patent Grant
Supertwist liquid-crystal display
Patent number
5,308,538
Issue date
May 3, 1994
Merck Patent Gesellschaft mit beschrankter Haftung
Georg Weber
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...