4. Illumination
  5. Light source and modifier
  6. Adjustable or repositionable light source or light source...

Stafford Schreyer

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Apparatus and method for digitizer point sampling and validation

Telegraphy – Systems – Position coordinate determination for writing
Patent

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Apparatus and method for digitizer sampled point validation

Telegraphy – Systems – Position coordinate determination for writing
Patent

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Apparatus for telephone line checking

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Using portable test set
Patent

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Call progress monitoring

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line
Patent

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Calling line identification

Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Patent

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Profile ID: LFUS-PAI-P-258869

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