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Manfred Federmann
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Wuppertal, DE
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last 30 patents
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Ectoparasiticide-containing collars for pets
Patent number
4,543,247
Issue date
Sep 24, 1985
Bayer Aktiengesellschaft
Miklos von Bittera
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING