4. Environmental heating and cooling; fluid handling and sanitary e
  5. Fluid handling or treatment equipment
  6. Treatment

Douglas S. Hardesty

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Corrugated leaching chamber

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent

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Janitorial cart

Material or article handling equipment – Hand cart or frame therefor – Stable
Design Patent

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Janitorial cart

Land vehicles – Wheeled – Stable vehicles – handle-propelled
Reexamination Certificate

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Office cleaning cart

Material or article handling equipment – Hand cart or frame therefor – Stable
Design Patent

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Profile ID: LFUS-PAI-P-2162300

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