Inventor
HARTLEY JOHN B
US8 patents
⚠️ This page may combine multiple inventors who share the name “HARTLEY JOHN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLUMINATION TECHNOLOGY INC
4 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
US5659222AAug 19, 1997
Vacuum sealed incandescent lamp with improved filament support structure
ILLUMINATION TECHNOLOGY INC14 citations68
US6661168B1Dec 9, 2003
Low voltage incandescent lamp with dual envelope
ILLUMINATION TECHNOLOGY INC11 citations62