About 2 Trademarks found that are owned by Robert V Williams

Personal Earphones and headphones specifically for use in conjunction with the users eyewear; Audio headphones specifically for use in conjunction with eyewear; Personal headphones for sound transmitting apparatuses connected to eyewear; Personal headphones for use with sound transmitting systems connected to eyeglasses

Earphones and headphones; Audio headphones; Personal headphones for sound transmitting apparatuses; Personal headphones for use with sound transmitting systems