Assignee
GREENBERG LAWRENCE J
3 granted patents·124 citations·filing 1978–1981
Top patents by PatentIndex Score
3 records- 0195US4207696ASound activated mobileGREENBERG LAWRENCE J·Filed 1978·Granted Jun 17, 1980·87 cites·5 claims
- 0282US4280809AEducational toyGREENBERG LAWRENCE J·Filed 1979·Granted Jul 28, 1981·28 cites·6 claims
- 0364USD272366SElectronic teaching aidGREENBERG LAWRENCE J·Filed 1981·Granted Jan 24, 1984·9 cites·1 claims
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