CC

Cheng Chien-Chuan

Overall (All Time): #1,271,040 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6334650 Flexible seat pad with position-adjustable nape and waist rests 2002-01-01
6178577 Mattress with adjustable massage units 2001-01-30
5995399 Power supply control circuit for a DC pump containing a waveform process circuit 1999-11-30
5967188 Distribution valve assembly 1999-10-19