4. Geometrical instruments
  5. Scriber
  6. Straight-line

Stephen A. Litchfield

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Active armor

Ordnance – Shields – Shape or composition
Patent

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Balance toy

Amusement devices: games – Puzzles – Balancing ovoids
Patent

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Cable clamp for electrical outlet box

Supports – Pipe or cable – Extending through plate
Patent

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Centering device for hydraulic compression tools

Metal deforming – By tool-couple embodying nonplanar tool-face – With complementary tool-faces
Patent

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Chime cover plate

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent

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Profile ID: LFUS-PAI-P-3780

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