This page contains all the U.S. trademarks filed by WILLIAM Y CONWELL. The list below is generated based on trademark correspondent identification information provided to the United States Patent Office (USPTO). Trademarkia.com is a free search engine of publicly available government records. Trademarkia.com does not represent correspondent listed on this page.

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Goods and Services: Computer programming services for others in the field of steganography

DEAD (Circa: 2000)

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DIGIMARC

Goods and Services: metal security enclosures

DEAD (Circa: 1998)

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KEYBOX

Goods and Services: steganography software to imperceptibly embed identification information in multiple pictures...

DEAD (Circa: 1997)

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BATCHMARC PRO

Goods and Services: steganography software to imperceptibly embed identification information in sound data, and d...

DEAD (Circa: 1996)

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AUDIOMARC

Goods and Services: antennas and radio repeaters used in conjunction with operation of portable cellular telephon...

DEAD (Circa: 1995)

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UPLINK

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