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Kok S. Si-Hoe

Singapore, SG: #4,165 of 13,971 inventorsTop 30%

Overall (All Time): #2,305,817 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D341943	Combined electric toothbrush and holder therefor	—	1993-12-07
5054149	Electric toothbrush	Tiong E. Ong	1991-10-08