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3789389
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Patent number 3,789,389
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Issue date Jan 29, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3766543
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Patent number 3,766,543
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Issue date Oct 16, 1973
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G05 - CONTROLLING REGULATING
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3739375
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Patent number 3,739,375
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3684968
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Patent number 3,684,968
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Issue date Aug 15, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3657658
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Patent number 3,657,658
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G05 - CONTROLLING REGULATING
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3641564
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Patent number 3,641,564
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G02 - OPTICS
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3579232
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Patent number 3,579,232
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Issue date May 18, 1971
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3573795
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Patent number 3,573,795
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H03 - BASIC ELECTRONIC CIRCUITRY
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3564537
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Patent number 3,564,537
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H03 - BASIC ELECTRONIC CIRCUITRY
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3547527
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Patent number 3,547,527
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3540035
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Patent number 3,540,035
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Issue date Nov 10, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3536995
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Patent number 3,536,995
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G01 - MEASURING TESTING
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3533100
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Patent number 3,533,100
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Issue date Oct 6, 1970
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3520590
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Patent number 3,520,590
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G02 - OPTICS
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3508808
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Patent number 3,508,808
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G02 - OPTICS
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3504362
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Patent number 3,504,362
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G05 - CONTROLLING REGULATING
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3501220
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Patent number 3,501,220
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G02 - OPTICS
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3500387
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Patent number 3,500,387
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H03 - BASIC ELECTRONIC CIRCUITRY
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3500380
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Patent number 3,500,380
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3498308
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Patent number 3,498,308
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3496561
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Patent number 3,496,561
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3486388
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Patent number 3,486,388
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3483362
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Patent number 3,483,362
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G05 - CONTROLLING REGULATING
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3470387
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Patent number 3,470,387
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H03 - BASIC ELECTRONIC CIRCUITRY
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3465655
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Patent number 3,465,655
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3465330
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Patent number 3,465,330
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3465329
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Patent number 3,465,329
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3462590
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Patent number 3,462,590
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G06 - COMPUTING CALCULATING COUNTING
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3460135
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Patent number 3,460,135
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3449604
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Patent number 3,449,604
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G11 - INFORMATION STORAGE