Combined Lateral And Circumferential Grooves Patents (Class D12/562)
  • Tire tread
    Patent number: D733038
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: June 30, 2015
    Assignee: Black Donuts Engineering OY
    Inventors: Jouni Juhani Raatikainen, Henri Sakari Kossi, Mikko Valtteri Sironen, Mikko Tapani Väänänen, Marko Christer Johannes Ylitolva
  • Tire tread
    Patent number: D914586
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: March 30, 2021
    Inventor: Allaeddin Jallad
  • Tire tread
    Patent number: D986149
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: May 16, 2023
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Yuya Ogawa