Patents by Inventor Lee Yiu Wah

Lee Yiu Wah has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8454348
    Abstract: The present invention is directed to a ball including an outer shell formed from a first thermoplastic material and having an inner surface defining a cavity, outer details formed from a second thermoplastic material and disposed on at least a portion of the outer surface of the outer shell, and a core formed from a foamable polymeric material and disposed within the cavity of the outer shell. The ball may be produced by forming a pair of half shells having inner surfaces defining corresponding portions of the cavity of the outer shell, forming the outer details on the outer surface of at least one of the half shells, and foaming a polymeric material to form the core.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: June 4, 2013
    Assignee: Hasbro, Inc.
    Inventors: Robert L. Brown, So Ho Fai, Lee Yiu Wah, Kenneth Lau
  • Publication number: 20120177777
    Abstract: The present invention is directed to a ball including an outer shell formed from a first thermoplastic material and having an inner surface defining a cavity, outer details formed from a second thermoplastic material and disposed on at least a portion of the outer surface of the outer shell, and a core formed from a foamable polymeric material and disposed within the cavity of the outer shell. The ball may be produced by forming a pair of half shells having inner surfaces defining corresponding portions of the cavity of the outer shell, forming the outer details on the outer surface of at least one of the half shells, and foaming a polymeric material to form the core.
    Type: Application
    Filed: March 22, 2012
    Publication date: July 12, 2012
    Applicant: Hasbro, Inc.
    Inventors: Robert L. Brown, So Ho Fai, Lee Yiu Wah, Kenneth Lau
  • Patent number: 8168026
    Abstract: The present invention is directed to a ball including an outer shell formed from a first thermoplastic material and having an inner surface defining a cavity, outer details formed from a second thermoplastic material and disposed on at least a portion of the outer surface of the outer shell, and a core formed from a foamable polymeric material and disposed within the cavity of the outer shell. The ball may be produced by forming a pair of half shells having inner surfaces defining corresponding portions of the cavity of the outer shell, forming the outer details on the outer surface of at least one of the half shells, and foaming a polymeric material to form the core.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: May 1, 2012
    Assignee: Hasbro, Inc.
    Inventors: Robert L. Brown, So Ho Fai, Lee Yiu Wah, Kenneth Lau