Patent was and is always like that. We have a massive improvement on 3D printer and VR display because... the patent expired. Patent is a system to freeze the

Patent was and is always like that. We have a massive improvement on 3D printer and VR display because... the patent expired. Patent is a system to freeze the invention from society for 20 years. But in this case, patent alone is not on the blame. Still we need to change the patent system something like the patent holder must offer patented product or license the patent for reasonable price or face losing the patent.