4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Martin D. Pierson

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Block controller

Railway switches and signals – Train-position indication – Miniature model
Reexamination Certificate

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Block controller

Railway switches and signals – Train-position indication – Miniature model
Reexamination Certificate

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Controller for a model toy train set

Electricity: motive power systems – With particular motor-driven load device
Reexamination Certificate

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House arrest monitoring system with improved tamper detection

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Mars unit lamp driver

Communications: electrical – Visual indication – Switchboard or panel type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-630057

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