Description     Claims     Drawing  

KR1020150174676   [0001] 
KR1020150179406   [0001] 
US5041401A   [0006] 
CN104001533A   [0007] 
US8226740B2   [0008] 
US2014271390A1   [0009] 
US4440874A   [0010] 
US2003228457A1   [0011] 
US2002183407A1   [0012]