4. Geometrical instruments
  5. Straightedge type
  6. Wall guide and plumb

John S. Clark

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Antifriction bearing support

Cutlery
Patent

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High speed spindle and draw bar assembly

Cutting by use of rotating axially moving tool – Tool or tool with support – Having inversely angled cutting edge
Patent

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High speed spindle and draw bar assembly

Cutting by use of rotating axially moving tool – Tool or tool with support – Having inversely angled cutting edge
Patent

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Masonry guide

Geometrical instruments – Straightedge type – Wall guide and plumb
Patent

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Reflector for flat panel display backlight unit

Illumination – Plural light sources – With modifier
Patent

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Profile ID: LFUS-PAI-P-229881

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