Active control of aircraft engine inlet noise using compact soun
Comfort zone heating apparatus for glasses or the like
Eyeglass nose bridge structure
Highly compact molded eyeglasses having an adjustable bridge...
Interchangeable tethered glasses
Nose pad for eyeglasses
Nose pad of eyeglasses
Photon coupled color flat panel display and method of manufactur
Pince-Nez eyeglasses
Repetitive phenomena cancellation arrangement with multiple sens
Spectacle frame with detachable elements