Patents by Inventor Mattias Widerstedt

Mattias Widerstedt 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).

  • Key head
    Patent number: D548570
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: August 14, 2007
    Assignee: ASSA AB
    Inventors: Hanna Ydremark, Elisabet Broms, Mattias Widerstedt
  • Remote key
    Patent number: D557111
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: December 11, 2007
    Assignee: ASSA AB
    Inventors: Hanna Ydremark, Elisabet Broms, Mattias Widerstedt