4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

Martin Fruitman

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Abrasion guard for lifting sling fittings

Handling: hand and hoist-line implements – Hoist-line slings
Patent

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Abrasion resistant heat pipe

Heat exchange – With coated – roughened or polished surface
Patent

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Adjustable boot

Boots – shoes – and leggings – Boots and shoes – With adjustment of shoe size
Patent

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Alkali metal thermoelectric genreator

Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination... – Active material in molten state
Patent

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Altimeter and vertical speed indicator

Measuring and testing – Navigation – Rate of climb
Patent

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Profile ID: LFUS-PAI-P-89111

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