Patents by Inventor Margaret Andersen

Margaret Andersen 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).

  • Folding walker hinge
    Patent number: D720664
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: January 6, 2015
    Assignee: Medline Industries, Inc.
    Inventors: Ben Wang, Brian Ramirez, Margaret Andersen
  • Walker with a seat
    Patent number: D793915
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: August 8, 2017
    Assignee: MEDLINE INDUSTRIES, INC.
    Inventors: Ben Wang, Brendan Fong, Margaret Andersen
  • Walker seat
    Patent number: D811280
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: February 27, 2018
    Assignee: MEDLINE INDUSTRIES, INC.
    Inventors: Ben Wang, Brendan Fong, Margaret Andersen