Patents by Inventor Wook R. Ryu

Wook R. Ryu 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).

  • Food support shelf comprising metal grill with heater
    Patent number: 5272317
    Abstract: A cooking oven includes a cooking compartment with removable shelves. Each shelf includes a frame and a removable electrical resistance heater. The heater plugs into an electrical socket formed in a back wall of the compartment.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: December 21, 1993
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Wook R. Ryu