Toothbrush with visual and/or other sensory effects

Assignee

• Colgate-Palmolive

Inventors

• Chi Shing Wong (30 patents)
• Douglas Hohlbein (225 patents)
• Kenneth Waguespack (80 patents)
• Al Sprosta (57 patents)
• Wen Jin Xi (152 patents)
• Xiang Ji Ding (14 patents)

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