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-
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3890602
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Patent number 3,890,602
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Issue date Jun 17, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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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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3750141
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Patent number 3,750,141
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Issue date Jul 31, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3739375
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Patent number 3,739,375
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Issue date Jun 12, 1973
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3729732
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Patent number 3,729,732
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Issue date Apr 24, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3717777
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Patent number 3,717,777
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Issue date Feb 20, 1973
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G05 - CONTROLLING REGULATING
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3714599
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Patent number 3,714,599
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Issue date Jan 30, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3705359
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Patent number 3,705,359
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Issue date Dec 5, 1972
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3699568
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Patent number 3,699,568
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Issue date Oct 17, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3696391
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Patent number 3,696,391
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Issue date Oct 3, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3676600
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Patent number 3,676,600
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Issue date Jul 11, 1972
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3653033
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Patent number 3,653,033
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Issue date Mar 28, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3641563
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Patent number 3,641,563
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Issue date Feb 8, 1972
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G11 - INFORMATION STORAGE
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3641566
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Patent number 3,641,566
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Issue date Feb 8, 1972
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3594780
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Patent number 3,594,780
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Issue date Jul 20, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3594783
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Patent number 3,594,783
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Issue date Jul 20, 1971
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G01 - MEASURING TESTING
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3587091
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Patent number 3,587,091
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Issue date Jun 22, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3582941
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Patent number 3,582,941
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Issue date Jun 1, 1971
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3582943
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Patent number 3,582,943
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Issue date Jun 1, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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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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3569959
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Patent number 3,569,959
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Issue date Mar 9, 1971
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G05 - CONTROLLING REGULATING
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3566394
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Patent number 3,566,394
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Issue date Feb 23, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3566393
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Patent number 3,566,393
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Issue date Feb 23, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3562743
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Patent number 3,562,743
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Issue date Feb 9, 1971
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3555436
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Patent number 3,555,436
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Issue date Jan 12, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3553647
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Patent number 3,553,647
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Issue date Jan 5, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3553443
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Patent number 3,553,443
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Issue date Jan 5, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3550114
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Patent number 3,550,114
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Issue date Dec 22, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY