4. Transportation
  5. Perambulator, invalid chair, or stretcher
  6. Wheelchair

Walter Schaffner

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Chair control

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Switch or casing therefor
Patent

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Deoxyribonucleic acid segment from a virus

Chemistry: molecular biology and microbiology – Treatment of micro-organisms or enzymes with electrical or... – Modification of viruses
Patent

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Electrically-powered scooter for personal transport

Motor vehicles – Special wheel base – Collapsible or knockdown for storage or transport
Patent

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Enhancer for eukaryotic expression systems

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...
Patent

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Enhancer for eukaryotic expression systems

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-449343

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