4. Hydraulic and earth engineering
  5. Fluid control, treatment, or containment
  6. Fluid storage in earthen cavity

Richard Oswald

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Buck-boost switching regulator

Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device
Reexamination Certificate

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Driver systems and methods for an actuator of a hard disk drive

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate

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High efficiency, high slew rate switching regulator/amplifier

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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System for underground storage and delivery of liquid product, a

Hydraulic and earth engineering – Fluid control – treatment – or containment – Fluid storage in earthen cavity
Patent

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System for underground storage and delivery of liquid product, a

Hydraulic and earth engineering – Fluid control – treatment – or containment – Fluid storage in earthen cavity
Patent

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Profile ID: LFUS-PAI-P-537689

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