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Inventor
FRANKE JOSEPH W
US
2 patents
⚠️ This page may combine multiple inventors who share the name “FRANKE JOSEPH W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATTEL INC
1 patent
US5085610A
Feb 4, 1992
Dual sound toy train set
MATTEL INC
81 citations
89
HALLAIAN STEPHEN C
1 patent
US8157609B2
Apr 17, 2012
Mind-control toys and methods of interaction therewith
HALLAIAN STEPHEN C
13 citations
70