4. Illumination
  5. Plural light sources
  6. Particular wavelength

American Sign & Indicator Corporation

Corporate Assignee

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Corporate Assignee

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Disk for matrix display

Sales and advertising equipment – Signs or display forms – Attachable to vertical surface or hanging type
Patent

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Display and reset apparatus

Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent

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Matrix display

Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent

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Matrix display

Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device
Patent

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Matrix lamp bank display and light filtering assembly

Illumination – Plural light sources – Particular wavelength
Patent

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Profile ID: LFUS-PAI-P-1019284

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