Chitravenu has been granted two patents in the United States:
US Patent # 9412343 for the composite wind and string instrument was granted on Sept. 6th 2016.
US Patent # 8822797 for the sliding wind instrument was granted on Sept. 2nd 2014.
India Patents Appl. No. 2587/CHE/2010 and 3844/CHE/2015 are pending.
C : H : I : T : R : A : V : E : N : U 