Impedance controlled connector interface

Impedance heating for railroad track switch

Impedance matching apparatus for connecting high frequency...

Impedance matching circuit for an electrodeless flourescent...

Impedance varying device for microwave oven

Impingement/ convection/ microwave oven and method

Impregnating anodic oxide film with polymerizable compound...

Improper load protection for induction heating appliance

Improved adhesion of polymeric materials to metal surfaces

Improved battery holder for a printed circuit board

Improved circuitry for portable lighting devices and...

Improved control system for electric arc furnace

Improved convection/infrared solder reflow apparatus

Improved dielectric heating using inductive coupling

Improved dimmer circuit arrangement

Improved energy / heat exchange chamber

Improved gas flow for plasma arc torch

Improved half-bridge control of fluorescent lamps

Improved hot wire control apparatus and method

Improved i/o cards and card arrangements for i/o devices