4. Data processing: measuring, calibrating, or testing
  5. Measurement system
  6. Speed

Karel Havel

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Analog display timepiece

Horology: time measuring systems or devices – Chronological – With electro-optical display
Patent

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Color control signal converter

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Continuously variable color display device

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Continuously variable color optical device

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Continuously variable color optical device

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Profile ID: LFUS-PAI-P-222928

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