4. Telegraphy
  5. Systems
  6. Printing

William F. Porter, Jr.

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Actuator mechanism for a pencil carriage

Recorders – Markers and/or driving means therefor – Stylus feature
Patent

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Actuator mechanism for a plotter carriage

Recorders – Markers and/or driving means therefor – Stylus feature
Patent

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Adapter for mounting printed circuit cards

Supports: racks – Special article – Platelike
Patent

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Air-fuel ratio control system utilizing oxygen sensor and pressu

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent

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All digital delta to PCM converter

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

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Profile ID: LFUS-PAI-P-32153

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