4. Boots, shoes, and leggings

Harry P. Levin

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Distance computer for light aircraft

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Electrically insulating seal assembly

Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent

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Hall sensing apparatus

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent

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Portable phase angle meter instrument

Boots – shoes – and leggings
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Profile ID: LFUS-PAI-P-1118704

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