-
-
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Media with recessed e-paper display
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Patent number 10,386,690
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Issue date Aug 20, 2019
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Hewlett-Packard Development Company, L.P.
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Henryk Birecki
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display apparatus
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Patent number 5,097,611
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Issue date Mar 24, 1992
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Marchon, Inc.
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Marvin Smollar
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3631618
-
Patent number 3,631,618
-
Issue date Jan 4, 1972
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
2419802
-
Patent number 2,419,802
-
Issue date Apr 29, 1947
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
2098004
-
Patent number 2,098,004
-
Issue date Nov 2, 1937
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
1899382
-
Patent number 1,899,382
-
Issue date Feb 28, 1933
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1832458
-
Patent number 1,832,458
-
Issue date Nov 17, 1931
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS