Inventor
KIM HYUN BONG
US3 patents
⚠️ This page may combine multiple inventors who share the name “KIM HYUN BONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIM HYUN BONG
2 patentsUS7304398B1Dec 4, 2007
Spring activated energy transducer generating A/C electricity from natural forces-frictionless magnetic plate
KIM HYUN BONG40 citations88
US7476984B2Jan 13, 2009
Spring activated energy transducer generating A/C electricity from reciprocating natural forces
KIM HYUN BONG16 citations80