4. Liquid crystal cells, elements and systems
  5. Liquid crystal system

Harden E. Stevens, III

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Electronic price label comprised of a liquid crystal display wit

Liquid crystal cells – elements and systems – Liquid crystal system
Patent

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Instruction communication system

Education and demonstration – Question or problem eliciting response – Response of plural examinees communicated to monitor or...
Patent

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Restaurant transaction processing system and method

Cryptography – Key management – Having particular key generator
Patent

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System and method of detecting movement of an item

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-908021

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