Inventor
LANG WILLIAM JOSEPH
US2 patents
Patents
2 patentsUS7106002B1Sep 12, 2006
Light bulb with glass envelope having light transmission of a wavelength only up to 700 nm
ILLUMINATION TECHNOLOGY INC7 citations70
US5686786ANov 11, 1997
Light bulb with glass envelope having light transmission of a wavelength only up to 700mm
ILLUMINATION TECHNOLOGY INC7 citations70