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

David E. Steffen

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Apparatus and method for sensing material build-up

Harvesters – Motorized harvester – With condition-responsive operation
Patent

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Calibrated tuneable monitor

Communications: electrical – Condition responsive indicating system – Specific condition
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Corn and soybean sensor

Communications: electrical – Condition responsive indicating system – Specific condition
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Electronic disabling switch

Communications: electrical – Condition responsive indicating system – Specific condition
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High rate seed sensor

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-309861

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