4. Electricity: measuring and testing
  5. Impedance, admittance or other quantities representative of...
  6. Lumped type parameters

Hans Kelpe

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Apparatus and method of capacitively sensing operator...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate

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Earth penetrating apparatus and method employing radar...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

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Earth penetrating apparatus and method employing radar...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

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Excavation system and method employing adjustable down-hole...

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Reexamination Certificate

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Horizontal directional drilling machine and method employing...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2327543

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