4. Mechanical guns and projectors
  5. Spring
  6. Elastic band

Mark Owen Ellenburg

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Enhanced sight marker apparatus

Geometrical instruments – Straight-line light ray type – Structurally installed
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Pivotal sling strap connectors and sights for slingshots

Mechanical guns and projectors – Spring – Elastic band
Patent

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Profile ID: LFUS-PAI-P-1358330

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