4. Boots, shoes, and leggings

Harry E. Betsill

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Audio dosimeter

Boots – shoes – and leggings
Patent

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Automatic constant air flow rate pump unit for sampling air

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
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Capacitively coupled machine tool safety system having a digital

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Low loss a.c. voltage regulator

Electricity: power supply or regulation systems – Remote sensing
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Pump unit for sampling air

Pumps – Condition responsive control of pump drive motor – Responsive to accumulation of pumped liquid in receiver
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Profile ID: LFUS-PAI-P-191196

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