4. Communications: electrical
  5. Condition responsive indicating system
  6. Specified indicator structure

Robert D. Hart

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Backpacker's hammock and ground bivy

Beds – Hammocks
Reexamination Certificate

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Chair mountable folding table

Design Patent

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Combination chair and folding table

Design Patent

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Damping means for indicators

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Electromagnetic flip-type visual indicator

Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent

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Profile ID: LFUS-PAI-P-1414011

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