This has been done with thousands of the patents involved in the H.264 videoencoding format, so that operating system makers wishing to make use of the codec pay a 20 cent (13p) charge per sale to cover the rights-holders claims without having to negotiate with each one.
It has a proprietary system for encoding 2D and 3D video using occlusion, which is delivered to standard panels that have been retrofitted with its optical glass sandwich to bring the spec-less 3D illusion to viewers.