4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

John Venczel

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Apparatus and system for animal training

Animal husbandry – Bed or rest
Patent

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Method and apparatus for defining a perimeter

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Ultrasonic multi-element transducers and methods for testing

Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate

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Profile ID: LFUS-PAI-P-518790

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