4. Geometrical instruments
  5. Straightedge type
  6. Base attached

William G. Hopkins

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Absorbent pads having theft alarm activators therein

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Folding display assembly

Card – picture – or sign exhibiting – Display card – Folded
Patent

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Perspective drawing apparatus

Geometrical instruments – Straightedge type – Base attached
Patent

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Profile ID: LFUS-PAI-P-1545720

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