Assignee
FERNG SHING LAI
TW·2 granted patents·182 citations·filing 1992–1992
Top patents by PatentIndex Score
2 records- 0189US5152601ASolar power-operated construction work warning lampFERNG SHING LAI·Filed 1992·Granted Oct 6, 1992·93 cites·2 claims
- 0288US5237490ASolar power-operated, construction work warning lamp with focusing device for intensifying the intensity of lightFERNG SHING LAI·Filed 1992·Granted Aug 17, 1993·89 cites·2 claims
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