4. Telephonic communications
  5. Plural exchange network or interconnection
  6. Interexchange signalling

Mark J. Sprigings

Attorney

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Attorney

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Electrically variable focus polymer-stabilized liquid...

Liquid crystal cells – elements and systems – Liquid crystal optical element – Liquid crystal lenses other than for eyewear
Reexamination Certificate

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Method and apparatus for implementing an extensible range of...

Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
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Method and apparatus for protecting optical receivers from...

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
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Multi-layer path explorer

Data processing: presentation processing of document – operator i – Operator interface – For plural users or sites
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Profile ID: LFUS-PAI-P-2901497

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