4. Washing, cleaning, or drying machine
  5. Washing, cleaning, or drying machine
  6. Surface treatment, e.g., floor, street, etc.

Robert Brian Seaman

Inventor

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Changover valve

Valves and valve actuation – With means to increase head and seat contact pressure – With positive reduction
Reexamination Certificate

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Cyclonic vacuum cleaner

Gas separation – With concentrate backflow or re-entrainment preventing means – Baffle intermediate concentrate collector zone and gas...
Reexamination Certificate

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Vacuum cleaner

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Design Patent

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Profile ID: LFUS-PAI-P-2637358

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