Patents by Inventor Yenn J. Chern

Yenn J. Chern 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: 4321718
    Abstract: This invention relates to a baby pillow comprising a support board with two cases on both ends, two protection boards connected with the cases by means of screws, two side cushions bound onto the protection boards, and a base cushion between the cases and under the side cushions, characterized in that the space constituted by the side cushions is adjustable by means of the screws, and the baby's head may be held in place between the side cushions during its sleep.
    Type: Grant
    Filed: December 9, 1980
    Date of Patent: March 30, 1982
    Inventor: Yenn J. Chern