4. Television
  5. Special applications
  6. Observation of or from a specific location

Stephen Lefkowitz

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Discrete surveillance camera devices

Television – Special applications – Observation of or from a specific location
Reexamination Certificate

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Discrete surveillance camera devices

Television – Special applications – Observation of or from a specific location
Patent

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Surveillance camera housing

Photography and optical equipment – Camera or body therefor – Security surveillance type
Patent

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Surveillance camera housing

Photography and optical equipment – Camera or body therefor – Security surveillance type
Patent

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Video and audio security system

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent

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Profile ID: LFUS-PAI-P-456935

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