4. Fire escape, ladder, or scaffold
  5. Wall- or floor-attached
  6. Independent rung or step

David M. Robinson

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Apparatus for stabilizing structural studs

Metal deforming – With cutting – By composite tool
Patent

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Cache coherency protocol for multi processor computer system

Boots – shoes – and leggings
Patent

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Detachable step

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent

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Handle operated locking mechanism for a door or window

Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent

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High speed pattern generator for electron beam lithography

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices
Patent

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Profile ID: LFUS-PAI-P-608935

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