here's the us patent info, originally filed in Jan 2011, with a 371 date of 31 July 2013. http://appft1.uspto.gov/netacgi/nph...srchnum.html&r=1&f=G&l=50&s1=20130289084.PGNR.
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
