4. Fluid handling
  5. Line condition change responsive valves
  6. Pilot or servo controlled

Alexander Prokop

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Automatic fluid shutoff system

Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent

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Hand held variable speed drill motor and control system therefor

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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Illumination intensity control in electroluminescent display

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

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Profile ID: LFUS-PAI-P-1518193

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