4. A - Human Necessities
  5. 47
  6. L

Donald A. Coates

A - Human Necessities – 47 – L

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Country: United States Of America

A cleaning machine for cleaning a surface

A - Human Necessities – 47 – L
Patent

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A cleaning machine for cleaning a surface

A - Human Necessities – 47 – L
Patent

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Apparatus and method for cleaning a surface

A - Human Necessities – 47 – L
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Dirt collecting system for a vacuum cleaner

A - Human Necessities – 47 – L
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Fluid level sensor and controller

G - Physics – 01 – F
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Fluid level sensor and controller

G - Physics – 01 – F
Patent

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Profile ID: LFCA-PAI-P-1276891

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