4. Fluid reaction surfaces (i.e., impellers)
  5. Unsymmetrical impeller or dissimilar working members

Norman N. Krieger

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Automotive fuel pump impeller with staggered vanes

Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members
Reexamination Certificate

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System for controlling motor speed by altering magnetic...

Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2746711

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