4. Electrical resistors
  5. Mechanically variable
  6. Movable contact electrically adjustable over length of...

Ferd L. Mehlhoff

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Air levitation device for an air driven centrifuge

Chemistry: physical processes
Patent

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Cathode assembly for two-dimensional scanned gas discharge displ

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent

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Centrifuge tube sequential fractionator

Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent

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Data ring for vertical tube rotor

Chemistry: physical processes
Patent

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Direct drive high speed ultracentrifuge

Chemistry: physical processes
Patent

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Profile ID: LFUS-PAI-P-260408

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