Patents by Inventor Frederick Wai

Frederick Wai 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).

  • Publication number: 20080125368
    Abstract: A method for aiding in the assessment of peritoneal membrane injury or complications of peritoneal dialysis in a patient, the method comprising the step of determining the level of CCL18 and/or angiogenin in a sample from the patient. The method may be for assessing the likely progression of peritoneal membrane injury or complications of peritoneal dialysis in the patient or for assessing the likely progression of response of the patient to treatment. The peritoneal membrane injury may be a complication of peritoneal dialysis (PD).
    Type: Application
    Filed: October 25, 2007
    Publication date: May 29, 2008
    Applicant: Imperial Innovations Limited
    Inventor: Frederick Wai Keung Tam
  • Publication number: 20050121863
    Abstract: A toy shopping cart has a basket and seat that may be used for different functions and which are easily removed from and reattached to a frame of the shopping cart. The frame of the toy shopping cart has a pair of leg assemblies with four wheels and a number of cross-members with a holding channel formed on one of the cross-members to removably support the basket by a rim and the seat by a holding member in position at the front and the rear of the frame. The basket includes a housing with a base that is supported by a second of the cross-members when held in the frame.
    Type: Application
    Filed: December 3, 2003
    Publication date: June 9, 2005
    Inventors: Elizabeth Libretti, Frederick Wai, Jon Marine