Hi, I'm Karen Udy Chang. I'm an electrical engineer, musician, and genealogist who is in the process of learning how to contribute to Wikipedia.
I am a co-inventor of US patent 5636373 and US patent 6421679.
Hi, I'm Karen Udy Chang. I'm an electrical engineer, musician, and genealogist who is in the process of learning how to contribute to Wikipedia.
I am a co-inventor of US patent 5636373 and US patent 6421679 .