4. Electricity: motive power systems
  5. Positional servo systems

John B. Wilker, Sr.

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Automatically positionable chair

Electricity: motive power systems – Positional servo systems
Patent

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Medical equipment power cord and plug

Electrical connectors – With circuit conductors and safety grounding provision – Direct grounding of coupling part member passing into aperture
Reexamination Certificate

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Medical gas alarm system

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Medical gas alarm system

Communications: electrical – Condition responsive indicating system – With particular system function
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1297694

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