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Band overlay separator
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Patent number 9,933,458
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Issue date Apr 3, 2018
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Tektronix, Inc.
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John J. Pickerd
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H03 - BASIC ELECTRONIC CIRCUITRY
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3751688
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Patent number 3,751,688
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Issue date Aug 7, 1973
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3715619
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Patent number 3,715,619
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Issue date Feb 6, 1973
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3670200
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Patent number 3,670,200
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Issue date Jun 13, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3657595
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Patent number 3,657,595
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Issue date Apr 18, 1972
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G01 - MEASURING TESTING
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3628081
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Patent number 3,628,081
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Issue date Dec 14, 1971
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3619622
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Patent number 3,619,622
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Issue date Nov 9, 1971
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G01 - MEASURING TESTING
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3611000
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Patent number 3,611,000
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Issue date Oct 5, 1971
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G01 - MEASURING TESTING
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3569770
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Patent number 3,569,770
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Issue date Mar 9, 1971
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G01 - MEASURING TESTING
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3569771
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Patent number 3,569,771
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Issue date Mar 9, 1971
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G01 - MEASURING TESTING
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3506971
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Patent number 3,506,971
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Issue date Apr 14, 1970
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G11 - INFORMATION STORAGE
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3439214
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Patent number 3,439,214
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Issue date Apr 15, 1969
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G01 - MEASURING TESTING
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3426237
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Patent number 3,426,237
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Issue date Feb 4, 1969
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G01 - MEASURING TESTING
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3153699
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Patent number 3,153,699
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Issue date Oct 20, 1964
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G01 - MEASURING TESTING
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2914697
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Patent number 2,914,697
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Issue date Nov 24, 1959
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G01 - MEASURING TESTING
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2874328
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Patent number 2,874,328
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Issue date Feb 17, 1959
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G01 - MEASURING TESTING
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2591738
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Patent number 2,591,738
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Issue date Apr 8, 1952
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G01 - MEASURING TESTING
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2438420
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Patent number 2,438,420
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Issue date Mar 23, 1948
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G01 - MEASURING TESTING