Olstykke
Denmark
4
2020-10-08
The entities that hold a legal rights for patent applications filed by inventor Hansen Dan Witzner:
Dan Witzner Hansen from Olstykke, DK has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for eye tracking
#2 | 2018-08-23Gaze tracker and a gaze tracking method
#3 | 2014-01-02Method of determining reflections of light
#4 | 2011-07-28Eye gaze tracking
593766 ⎘