Heating device

Heating of dosing capsule

Heating system for electron beam furnace

Heating system for electron beam furnace

Heavily loaded double-ended arc lamp

Heavily loaded metal halide lamp

Heavy-current mercury low-pressure lamp

Helium droplet mass spectrometery (hdms)

Helix traveling wave tubes with reduced gain variation

Helix traveling wave tubes with resonant loss

Heterodiamondoid-containing field emission devices

Hf- plasma source with plurality of out-of-phase electrodes

Hid lamp having improved outer envelope coating

Hid lamp with multiple discharge devices

Hid sodium lamp which incorporates a high pressure of xenon...

Hid vehicle headlamp capsule assembly

High angular overture x-ray spectometer

High brightness gas discharge display device

High brightness, high contrast color cathode ray tube

High brightness, low wattage, high pressure, metal vapor...