4. Electric heating
  5. Heating devices
  6. With heater-unit housing, casing, or support means

Robert E. Barrett

Inventor

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Crossword game board apparatus

Amusement devices: games – Board games – pieces – or boards therefor – Word – sentence – or equation forming
Patent

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Electrofusion fitting and sealing method for distribution line

Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent

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Power driven casing splitter apparatus

Cutting – Tool carrier or guide affixed to work during cutting – By flexible work-engaging member
Patent

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Switching of digital signals

Multiplex communications – Wide area network – Packet switching
Patent

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Profile ID: LFUS-PAI-P-1343030

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