Liquid crystal bar graph display

Measuring – testing – or signalling instruments – Dial – indicator hand – or other element or attachment – Dial or face plate

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Details

D18 26, D10103

Patent

active

D02860295

REFERENCES:
patent: D244262 (1977-05-01), Nakamura
patent: D249025 (1978-08-01), Nakamura
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patent: 3623473 (1971-11-01), Andersen et al.
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patent: 3987788 (1976-10-01), Emil
patent: 4004576 (1977-01-01), Gahwiler et al.
patent: 4015593 (1977-05-01), Elings et al.
patent: 4127794 (1978-11-01), Frankland
patent: 4153048 (1979-05-01), Magrini
patent: 4191194 (1980-03-01), Watanabe et al.
patent: 4407298 (1983-10-01), Lentz et al.
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