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John C. K. Sham

📍 Sha Tin, CN: #2 of 40 inventorsTop 5%
Overall (1994): #11,843 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5341541 Portable steam vacuum cleaner — 1994-08-30
D346090 Food chopper Yu S. Kwong 1994-04-19
D345671 Food slicer Yu S. Kwong 1994-04-05