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

David M. DeWitt

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Coating compositions for bioactive agents

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Reexamination Certificate

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Coating compositions for bioactive agents

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate

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Marine propeller

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Cantilever blade
Reexamination Certificate

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Portable entertainment and communication unit

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Public address system
Patent

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Profile ID: LFUS-PAI-P-1782863

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