4. Geometrical instruments
  5. Distance measuring
  6. Opposed contacts

David L. Burk

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Hands-off micrometer

Geometrical instruments – Distance measuring – Opposed contacts
Patent

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Insulating heat retention system and method

Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Patent

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Plate hold-down device for abrasive cutting of metal plates

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent

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Random inventory system

Boots – shoes – and leggings
Patent

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Slab surface contour monitor

Optics: measuring and testing – By polarized light examination – With light attenuation
Patent

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Profile ID: LFUS-PAI-P-1260033

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