4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. With air blast or suction

John Blumenthal

Inventor

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Air purging system for a pulsed droplet ejecting system

Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent

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Electric spark recording

Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent

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Electrographic imaging with non-sequential electrode actuation

Recorders – Electric recording – Electrochemical
Patent

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Method for aerating bodies of water

Ships – Ice breakers
Reexamination Certificate

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Method of and apparatus for aerating bodies of water

Marine propulsion – Jet drive – Auxiliary use of propulsive fluid
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1347033

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