4. Dispensing
  5. Automatic control
  6. Material level control

Michael L. Hart

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Method and apparatus for compensating for process variations

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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Method of and apparatus for perforating boreholes

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With position orienting or indicating
Patent

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Timed dispenser of fluid additives

Dispensing – Automatic control – Material level control
Patent

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Profile ID: LFUS-PAI-P-1230882

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