Patents by Inventor Doris Man-yee Lau

Doris Man-yee Lau 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: 6735795
    Abstract: A retrofitting system designed to convert an adult-size bed into an infant/toddler bed is disclosed. The retrofitting system comprises first a template is being placed on a twin, full, queen, king-or larger size bed with an underside of the template fitted to an underside of a mattress. The system further comprises a number of interconnecting geometrical shape structures connected to the template on the bed. The template and geometrical shape structures can be disassembled and assembled (with or without accessories) into furniture (storage cabinet, diaper change table, chair, table, and others), toys (easel, activity center, car, slide, picnic table, wagon, snake, puzzle board and others) and other useful items, such as a security gate or storage cabinet for providing storage spaces for baby clothing, diapers, lotion, towels, baby powder, baby wipe etc.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: May 18, 2004
    Inventor: Doris Man-yee Lau
  • Patent number: 6134726
    Abstract: A retrofitting system designed to convert an adult-size bed into an infant/toddler bed is disclosed. The retrofitting system comprises first a template is being placed on a twin, full, queen, king-or larger size bed with an underside of the template fitted to an underside of a mattress. The system further comprises a number of interconnecting geometrical shape structures connected to the template on the bed. A plate/channel system is used to connect the geometrical shape structures to the template. The template and geometrical shape structures can be disassembled and assembled for storage, cabinet, diaper change table, chair, table etc., as the child grows up. The system can further be converted into children's toys, such as a car, slide, activity center, snake etc. with accessories.
    Type: Grant
    Filed: February 2, 1999
    Date of Patent: October 24, 2000
    Inventor: Doris Man-yee Lau