Assignee
TZENG SHUI-TAN
TW·2 granted patents·1 pending application·15 citations·filing 1986–2011
Technology mixG09B3
Top patents by PatentIndex Score
3 records- 0145US2013052627A1Time zone tutorial deviceTZENG SHUI-TAN·Filed 2011·Application pending·0 cites
- 0229US4747780AMulti-function globe with its related planetsTZENG SHUI TAN·Filed 1986·Granted May 31, 1988·8 cites·4 claims
- 0324US5114348ATutorial device for observing lunar phaseTZENG SHUI TAN·Filed 1990·Granted May 19, 1992·7 cites·4 claims
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