4. Electricity: motive power systems
  5. Automatic and/or with time-delay means
  6. Responsive to thermal conditions

William E. Lasko

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Box fan

Building units and construction elements – Architectural stock material – Post or beam
Patent

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Box fan with air divider ring

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers
Patent

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Christmas tree stand

Plant husbandry – Tree trunk supporting base with liquid reservoir
Patent

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Combination floor and window box fan

Pumps – Motor driven – Electric or magnetic motor
Patent

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Combined air moving product illuminated panel and device

Pumps – With signal – indicator – or inspection means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-340484

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