Inventor: Kobayashi, Ruth
Inventor: Kobayashi, Ruth
Inventor: Kobayashi, Ruth
Inventor: Kobayashi, Ruth
Inventor: Kobayashi, Ruth
Inventor: Greyvenstein, Ockert F. C.
Inventor: Uchneat, Michael S.
Inventor: Danziger, Gavriel
Inventor: Kobayashi, Ruth