Units
Patents 
KZ8000-MLC14OTCMPDB 11,597,169
KZ8000-MLC16OTCMPDB 11,597,169
KZ8000-MLC14OTCMP 11,597,169
KZ8000-MLC16OTCMP 11,597,169
KZ7000-MHM14CMP 11,597,169
KZ7000-MHM16CMP 11,597,169
KZDF004-N
8,357,062 B2
KZDF004-Y
8,357,062 B2
KZDF100-N
8,357,062 B2
KZDF100-Y
8,357,062 B2