4. Machines not elsewhere specified
  5. Agricultural or construction machinery
  6. Drilling, mining, or soil treatment

Richard J. Pearce

Inventor

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Apparatus for melting snow and ice

Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent

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Apparatus for unscrewing drill pipe sections

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Bottle cap

Design Patent

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Driveway, walkway and roof snow and ice melting mat

Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate

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Heating pad apparatus adapted for outdoor use

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

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Profile ID: LFUS-PAI-P-549550

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