DC

David Chen

BC Board-Tech Electronic Co.: 4 patents #2 of 2Top 100%
KD Kingston Digital: 2 patents #27 of 68Top 40%
AG Amesbury Group: 1 patents #34 of 57Top 60%
Overall (All Time): #345,202 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10974084 Reusable respirator mask with refillable filter Anna Grinvald, Ron Grinvald 2021-04-13
10197621 Testing device Chengvee Ong, Chichih Yu 2019-02-05
9702903 Connector and electronic device Chengvee Ong, Chichih Yu 2017-07-11
8534860 Display light box with programmably separately-lit compartments 2013-09-17
D678032 Handle Matt Coplan, Dan Raap, John Parkhurst, Joe Gryte, Michael D. Svoma 2013-03-19
8007215 Fastening mechanism 2011-08-30
6917515 Electrical component having a housing retained in a receiving groove in a support through a retaining device 2005-07-12
5848907 Adapter with interchangeable plug board 1998-12-15
5836777 Electrical outlet device for connection with various types of plugs 1998-11-17
D381958 Mounting frame for mounting wall switches and sockets 1997-08-05
5564559 Mounting structure for switches 1996-10-15
D373755 Interchangeable battery with built-in terminal 1996-09-17
5518132 Receptacle having protective flaps 1996-05-21
5375300 Clip device for sealing a bag 1994-12-27