Donald Jones Channin

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Liquid crystal display

Patent

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Matrix address system using erase operation

Communications: electrical – Systems – Portable self-contained
Patent

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Method of preparing a liquid crystal display

Coating processes – Optical element produced
Patent

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Method of testing an electrical circuit

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Optomechanical radiant energy detector

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1447457

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