Patents by Inventor Lawrence Chun-Hei Chu, Jr.

Lawrence Chun-Hei Chu, Jr. 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).

  • Vacuum cleaner foot
    Patent number: D770109
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: October 25, 2016
    Assignee: BISSELL Homecare, Inc.
    Inventors: Lawrence Chun-Hei Chu, Jr., Christopher John Reinke, Jing Yang