Combined pen and timer

Assignee

• Aci International

Inventors

• Christopher J. Davis (5 patents)
• Peter Wong (10 patents)
• Chi T. Tam (5 patents)
• Kwok F. Lin (4 patents)
• Michael K. Tse (22 patents)
• Loi W. Yuen (4 patents)
• Frankie Au (4 patents)
• Johnny Tam (5 patents)

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