- 25. An apparatus for a three-dimensional printer comprising:a storage chamber for storing build material; anda metering system to regulate the quantity of build material delivered from the storage chamber to an operating position.
Read more: http://www.faqs.org/patents/app/20100151136#ixzz1GsDJoSI5
Does it mean that ANY "apparatus" like it, can´t be sold? to make a 3d printer?
The guys at zcorp are going crazy on new patents.