4. Telephonic communications
  5. Multi-line or key substation system with selective switching...
  6. Switching or supervision feature

John F. Bell

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Control and interface apparatus for telephone systems

Telephonic communications – Multi-line or key substation system with selective switching... – Switching or supervision feature
Patent

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Emergency locking passenger safety belt mechanisms

Winding – tensioning – or guiding – Reeling device – With spring motor
Patent

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Facsimile machine having user notification capability

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Patent

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Oil containment boom

Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment
Patent

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Seat belt with a buckle tongue stop

Chairs and seats – Body or occupant restraint or confinement – Safety belt or harness; e.g. – lap belt or shoulder harness
Reexamination Certificate

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Profile ID: LFUS-PAI-P-776968

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