4. Excavating
  5. Ditch filler

Frederick W. Turnbull

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Amplifiers – Signal feedback – Phase shift means in loop path
Patent

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Block fuel element for gas-cooled high temperature reactors

Plastic and nonmetallic article shaping or treating: processes – Shaping or treating radioactive material
Patent

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Digging tooth

Excavating – Ditch filler
Patent

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Expansible sprocket device

Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent

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House

Building units and construction elements – Structure – Fully enclosed
Patent

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Profile ID: LFUS-PAI-P-4003

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