4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. Wiping

Chun-Hsien Lee

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Automatic erasing device for erasing chalk marks on a writing bo

Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent

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Battery energy balance circuit and battery charging bypass...

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – Having variable number of cells or batteries in series
Reexamination Certificate

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Capillary electrophoresis devices

Chemistry: electrical and wave energy – Apparatus – Electrophoretic or electro-osmotic apparatus
Reexamination Certificate

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Digital receiver capable of processing modulated signals at...

Pulse or digital communications – Receivers – Angle modulation
Reexamination Certificate

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Method and apparatus for bonding a coating to a web of cloth...

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1821557

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