JS

John C. K. Sham

PE Pentalpha Enterprises: 7 patents #1 of 2Top 50%
📍 Sha Tin, CN: #39 of 2,424 inventorsTop 2%
Overall (All Time): #175,674 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7310852 Valve assembly 2007-12-25
D505406 Rear projection television display 2005-05-24
D502155 Television display 2005-02-22
6212332 Steam iron station Kumkit Kunavong Vorakul 2001-04-03
6070519 Juice extractor and beverage mixer apparatus Kumkit Kunavong Vorakul 2000-06-06
5822821 Electric toothbrush 1998-10-20
5819364 Detachable handle accessory for a portable steam vacuum cleaner 1998-10-13
5810026 Electric hair-curling apparatus 1998-09-22
5771781 Electrical deep-fryer 1998-06-30
5771784 Paddle for bread-making machine 1998-06-30
5735190 Combination bread-baking machine and convection oven 1998-04-07
D389968 Travel steam iron 1998-01-27
5692315 Hair steaming apparatus 1997-12-02
5680810 Steam toaster oven 1997-10-28
5595672 Automatic power interrupting apparatus for an electric appliance Fan K. Leung 1997-01-21
D373872 Steam iron 1996-09-17
5463205 Photosensitive switching apparatus for an electric appliance Fan K. Leung 1995-10-31
D362944 Steam and dry iron Yu S. Kwong 1995-10-03
5400701 Steam cooking appliance 1995-03-28
5386612 Portable steam vacuum cleaner 1995-02-07
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
5144516 Leakage current circuit interrupter device 1992-09-01