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Kiyoshi Maekawa
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Mount Prospect, IL, US
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last 30 patents
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Patent Grant
Interdental brushes having roughened, tapered and rounded bristle e...
Patent number
5,791,740
Issue date
Aug 11, 1998
John O. Butler Company
Dominic Squillaci
A46 - BRUSHWARE
Information
Patent Grant
Interdental brushes having roughened, tapered and rounded bristle e...
Patent number
5,778,476
Issue date
Jul 14, 1998
John O. Butler Company, Inc.
Dominic Squillaci
A46 - BRUSHWARE
Information
Patent Grant
Interdental brush handle
Patent number
5,758,382
Issue date
Jun 2, 1998
John O. Butler Company, Inc.
Kiyoshi Maekawa
A46 - BRUSHWARE
Information
Patent Grant
Clear dentrifice gel for interdental brushes
Patent number
5,702,686
Issue date
Dec 30, 1997
John O. Butler Company
Kiyoshi Maekawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Toothbrush
Patent number
D351733
Issue date
Oct 25, 1994
John O. Butler Company
Kiyoshi Maekawa
D04 - Brushware
Information
Patent Grant
Dental cleaning instrument
Patent number
5,193,559
Issue date
Mar 16, 1993
Kiyoshi Maekawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE