4. Communications: electrical
  5. Audible indication
  6. Pneumatic-type sound producer

William R. Mayer

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Communications: electrical – Audible indication – Pneumatic-type sound producer
Patent

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Rectangular headlamp retainer

Illumination – Light source and modifier – Including reflector
Patent

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Rectangular seal beam lamp and support with halogen bulb

Illumination – Light source and modifier – With sealing means or artificial atmosphere
Patent

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Rectangular seal beam lamp and universal support assembly

Illumination – Light source and modifier – Tiltable or rotatable as a unit
Patent

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Rotary switch

Electricity: circuit makers and breakers – Multiple circuit control – Operating means
Patent

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Profile ID: LFUS-PAI-P-299664

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