4. Electrical transmission or interconnection systems
  5. Nonlinear reactor systems
  6. Parametrons

Winston G. Walker

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Braking system for powered window covering

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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Head rail-mounted actuator for window covering

Electricity: motive power systems – Automatic and/or with time-delay means – Radiant energy
Patent

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Head rail-mounted actuator for window coverings

Electricity: motive power systems – Motor-reversing
Reexamination Certificate

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Head rail-mounted actuator for window coverings

Electricity: motive power systems – Motor-reversing – Automatic and/or with time-delay means
Patent

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Head rail-mounted actuator for window coverings

Electricity: motive power systems – Motor-reversing
Patent

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Profile ID: LFUS-PAI-P-62454

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