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

Fred J. Berkowitz

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Battery including aluminum components

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate

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Battery including aluminum components

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate

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Client server unit for use with a computer network

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

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Computer workstation

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

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Electrochemical cell

Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent

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Profile ID: LFUS-PAI-P-287687

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