4. Fishing, trapping, and vermin destroying
  5. Traps
  6. Jaw

James C. Helfrich

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Animal trap

Fishing – trapping – and vermin destroying – Traps – Jaw
Patent

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Flow rate measuring system for crops supported on a conveyor

Measuring and testing – Volume or rate of flow – Using rotating member with particular electrical output or...
Reexamination Certificate

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Wind rotor operable in slow wind speeds

Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1476574

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