4. Mechanical guns and projectors
  5. Spring
  6. Bow

D. Richard Anderson

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Arsenic removal from water

Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate

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Compound archer bow

Mechanical guns and projectors – Spring – Bow
Patent

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Low temperature, low pressure hydrogen gettering

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Hydrogen component
Patent

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System for removal of arsenic from water

Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate

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Profile ID: LFUS-PAI-P-406481

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