4. Medical and laboratory equipment
  5. Equipment for diagnosis, analysis, or treatment
  6. Hematological or intravenous treatment

John Olson

Inventor

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Autotransfusion machine

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Hematological or intravenous treatment
Patent

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Battery finish charge device

Electricity: battery or capacitor charging or discharging – Battery or cell charging – With detection of current or voltage amplitude
Reexamination Certificate

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Blender

Compound tools – Cutter combined with other tool or tools
Design Patent

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Buoyancy device for personnel protective plates

Ordnance – Shields – Body
Reexamination Certificate

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Detachable open-ended wrench head

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

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Profile ID: LFUS-PAI-P-849818

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