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Writable disk sign
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Patent number 6,220,723
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Issue date Apr 24, 2001
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Mark IV Industries Limited
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Timothy A. Freeman
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display array and device
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Patent number 6,216,370
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Issue date Apr 17, 2001
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Mark IV Industries Limited
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Veso S. Tijanic
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B60 - VEHICLES IN GENERAL
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Display device and array
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Patent number 6,209,243
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Issue date Apr 3, 2001
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Mark IV Industries Limited
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Veso S. Tijanic
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B60 - VEHICLES IN GENERAL
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Display device and array
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Patent number 6,163,994
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Issue date Dec 26, 2000
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Mark IV Industries Limited
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Veso S. Tijanic
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display device and array
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Patent number 6,009,648
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Issue date Jan 4, 2000
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Mark IV Industries Limited
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Veso S. Tijanic
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Writable disk sign
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Patent number 6,000,812
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Issue date Dec 14, 1999
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Mark IV Industries Limited
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Timothy A. Freeman
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display device with disk and LED
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Patent number 5,909,971
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Issue date Jun 8, 1999
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Mark IV Industries Limited
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Veso S. Tijanic
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display device and array
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Patent number 5,901,483
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Issue date May 11, 1999
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Mark IV Industries Limited
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Veso S. Tijanic
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B60 - VEHICLES IN GENERAL
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Board for mounting display element
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Patent number 5,809,675
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Issue date Sep 22, 1998
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Mark IV Industries Ltd.
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Veso S. Tijanic
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Display device with disk and LED
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Patent number 5,771,616
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Issue date Jun 30, 1998
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Mark IV Industries Limited
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Veso S. Tijanic
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS