Yao, Debra Trademarks
VORTEX ENERGY FILTER
Filed: February 22, 1994
in-line electrical power conditioning filters for use with electrically powered devices in the home and office [use] environment…
Owned by: Yao, Debra
Serial Number: 74493004
Image Trademark
passive negative ion generators for therapeutic use
Owned by: Yao, Debra
Serial Number: 78563160