Patents by Inventor Heidi Ollikainen

Heidi Ollikainen 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).

  • Access control device
    Patent number: D814466
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: April 3, 2018
    Assignee: KONE Corporation
    Inventors: Aapo Saari, Heidi Ollikainen, Visa Rauta, Tomi Kapiainen, Kim Heikkinen