4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Howard E. Leech

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Connection of tapered armature conductor to tapered commutator s

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Resistance welding of zinc-coated steel

Electric heating – Metal heating – For bonding with pressure
Patent

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Solenoid coil wire termination

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Solenoid coil wire termination

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent

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Profile ID: LFUS-PAI-P-818981

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