4. Pipe joints or couplings
  5. Nonmetal to metal
  6. Internal member

Robert Huppee

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Apparatus for making and maintaining an ice surface

Refrigeration – Utilizing solar energy
Patent

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Barbed tubing connector

Pipe joints or couplings – Nonmetal to metal – Internal member
Patent

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Faucet valve

Valves and valve actuation – Mechanical movement actuator – Cam
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Profile ID: LFUS-PAI-P-1135112

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