Patents Assigned to Hartman Enterprises B.V.
  • Chair
    Patent number: D820625
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: June 19, 2018
    Assignee: Hartman Enterprises B.V.
    Inventor: G. J. C. Steinmeijer
  • Chair
    Patent number: D909784
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: February 9, 2021
    Assignee: Hartman Enterprises B.V.
    Inventor: G. J. C. Steinmeijer