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3863093
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Patent number 3,863,093
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Issue date Jan 28, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3801739
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Patent number 3,801,739
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Issue date Apr 2, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3684824
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Patent number 3,684,824
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Issue date Aug 15, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3665184
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Patent number 3,665,184
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H01 - BASIC ELECTRIC ELEMENTS
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3231746
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Patent number 3,231,746
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Issue date Jan 25, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3143000
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B60 - VEHICLES IN GENERAL
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Patent number 2,888,513
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Issue date May 26, 1959
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H01 - BASIC ELECTRIC ELEMENTS
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2875360
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Patent number 2,875,360
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H01 - BASIC ELECTRIC ELEMENTS
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2871385
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Patent number 2,871,385
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H01 - BASIC ELECTRIC ELEMENTS
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2821637
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Patent number 2,821,637
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2785220
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Patent number 2,785,220
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2653993
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Patent number 2,653,993
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2640162
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2634327
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Patent number 2,634,327
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2548118
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Patent number 2,548,118
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Issue date Apr 10, 1951
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G02 - OPTICS