4. Animal husbandry
  5. Watering or liquid feed device
  6. Temperature-controlling

Daryl J. Hertema

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Heater and thermostat arrangement for animal waterers

Animal husbandry – Watering or liquid feed device – Temperature-controlling
Patent

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Method of forming an automotive valve cover with integral...

Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-238081

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