Patents by Inventor Colin Choi

Colin Choi 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: 9808194
    Abstract: Multi-layer cushion supports are described which may generally comprise a first support having a first contact surface for contacting a portion of a body and a second surface opposite to the first surface, the first support defining a central chamber and a peripheral chamber surrounding the central chamber, wherein the first support is filled with a first gas or liquid and a second support attached to the first support along the first contact surface. The second support may be filled with a second gas or liquid which is relatively more viscous than the first gas or liquid. In particular, the first support may be filled with a volume of air and the second support may be filled with oil which is less than the volume of air.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 7, 2017
    Assignee: PRS Medical Technologies, Inc.
    Inventors: Nikhil Bhat, Allen J. Li, George Y. Choi, Colin Choi