4. Facsimile and static presentation processing
  5. Facsimile
  6. Recording apparatus

Dale R. DuVall

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Acoustic obstruction detector and method

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control
Patent

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Adaptive correlator for video processing

Communications: electrical – Digital comparator systems
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Camera with negative identification system

Photography – With data recording – Optical
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Deadbolt assembly having selectable backset

Locks – Special application – For closures
Patent

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Device for electrical variable magnification of document image

Boots – shoes – and leggings
Patent

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Profile ID: LFUS-PAI-P-232109

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