4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Treatment of hides, skins, feathers and animal tissues
  6. Tanning

Roy E. Underwood

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Air purification device for air conditioning evaporator coil

Refrigeration – Processes – Deodorizing – antisepticizing or providing special atmosphere
Reexamination Certificate

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Quick release clamp assembly for sealing a rigid...

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Vent pipe using ultraviolet light for purification of...

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent

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Profile ID: LFUS-PAI-P-2280937

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