4. Communications: electrical
  5. Land vehicle alarms or indicators
  6. Of relative distance from an obstacle

Richard R. Hollowbush

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Multi-channel relative amplitude and phase display with logging

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices
Reexamination Certificate

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Multi-format on-screen monitor

Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate

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Multi-format on-screen monitor

Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent

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Ultrasonic obstacle detector

Communications: electrical – Land vehicle alarms or indicators – Of relative distance from an obstacle
Patent

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Profile ID: LFUS-PAI-P-233141

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