4. Refrigeration
  5. Refrigerant or coolant, storer or handler
  6. Envelope type

Raymond P. Wilhelm

Inventor

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Inventor

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Hot/cold pack product and method of making

Stoves and furnaces – Heaters – Chemical
Reexamination Certificate

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Thermal hot or cold hand exerciser

Exercise devices – Hand – wrist – or finger – Grip
Patent

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Thermal pack

Refrigeration – Refrigerant or coolant – storer or handler – Envelope type
Patent

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Profile ID: LFUS-PAI-P-1376002

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