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Robert J. Semanchik
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Oxford, CT, US
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last 30 patents
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Patent Grant
Extended release fragrance dispensing cartridge
Patent number
5,230,867
Issue date
Jul 27, 1993
Waterbury Companies, Inc.
Walter A. Kunze
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Extended release fragrance dispensing cartridge
Patent number
D335531
Issue date
May 11, 1993
Waterbury Companies, Inc.
Walter A. Kunze
D23 - Environmental heating and cooling