Linkoping
Sweden
4
2017-09-14
The entities that hold a legal rights for patent applications filed by inventor Tornqvist David:
David Tornqvist from Linkoping, SE has applied for patents for these inventions. The list has both pending applications and granted patents:
Indoor rotation sensor and directional sensor for determining the heading angle of portable device
#2 | 2016-12-15Determining sensor orientation in indoor navigation
#3 | 2014-03-27Method and device for indoor position resolution
#4 | 2012-08-09Method and device for indoor positioning
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