4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Robert K. Crawford

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Apparatus for a crater-style capacitor for high-voltage

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent

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Apparatus for delivering ions from a grounded electrospray...

Radiant energy – Ionic separation or analysis
Reexamination Certificate

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Apparatus for delivering ions from a grounded electrospray...

Radiant energy – Ionic separation or analysis
Reexamination Certificate

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Apparatus for delivering ions from a grounded electrospray...

Radiant energy – Ionic separation or analysis
Reexamination Certificate

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Atmospheric pressure ion source high pass ion filter

Radiant energy – Ionic separation or analysis – With sample supply means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-757726

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