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US4137524A
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Reversible printing display
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US4118546A
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Triple electrode photogalvanic cell with energy storage capability
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US4118547A
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Thin film photogalvanic cell
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US4117210A
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Photogalvanic cell having transparent photoactive TIO2 thin film
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US4120568A
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Electrochromic cell with protective overcoat layer
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US4080488A
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Dye-titanium dioxide photogalvanic cell
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US4086398A
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Multi-compartment photogalvanic cell
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US4138532A
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N-methylphenazine photogalvanic cell
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US4076904A
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Solid state photogalvanic device utilizing sea water as an electrolyte
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US4084043A
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Photogalvanic cell having a charge storage layer with varying performance characteristics
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US4097655A
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Photogalvanic cell using a transparent conducting electrode
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US4115631A
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Energy storing photogalvanic cell having dielectric overcoating
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US4085257A
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Radiant energy converter having storage
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US3955353A
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Direct current power converters employing digital techniques used in electronic timekeeping apparatus
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FR2274082A1
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Digital electronic watch with liquid crystal display - with dielectric means for preventing DC across display cell
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DE2426902A1
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Electrooptical liquid cell indicator system - has electrode segments in seven element code to form numerals
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DE2426901A1
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Digital electronic watch with fluidic crystal display - is fitted with battery oscillator and display operating circuit
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US3955355A
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Electronic calculator watch structures
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US3955879A
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Nonlinear electrochromic device
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US3840288A
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Electrochromic display having electro-catalyst
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