Illumination
Light source and modifier
With sealing means or artificial atmosphere
Inventor
active
Lamp assembly for Christmas tree light sets
Lamp socket assembly
Lamp socket for a Christmas tree light
Lamp socket with a water and electricity sealing structure
Structure of lamp socket
No associations
LandOfFree
You-Jen Cheng does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with You-Jen Cheng, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and You-Jen Cheng will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-387858