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John C. K. Sham

📍 Sha Tin, CN: #4 of 108 inventorsTop 4%
Overall (2002): #9,096 of 266,432Top 4%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6464760 Ultraviolet air purifier Kumkit Kunavongvorakul 2002-10-15
6439106 Automatic coffee maker with grinder Kumkit Kunavongvorakul 2002-08-27
6389957 Automatic coffee maker with grinder Kumkit Kunavongvorakul 2002-05-21
6367370 Automatic coffee maker with grinder Kumkit Kunavongvorakul 2002-04-09
6363837 Juice extractor and beverage mixer apparatus Kumkit Kunavongvorakul 2002-04-02