TWENTY-FIRST CENTURY TECHNOLOGIES, INC

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AUSTIN, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Low power, low cost illuminated keyboards and keypads
- Patent number 6,773,128
- Issue date Aug 10, 2004
- Twenty-First Century Technology, Inc.
- Andrew J. Katrinecz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Low power, low cost illuminated keyboards and keypads
- Patent number 6,199,996
- Issue date Mar 13, 2001
- Twenty-First Century Technology, Inc.
- Andrew J. Katrinecz
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Low power, low cost illuminated keyboards and keypads
- Publication number 20010002166
- Publication date May 31, 2001
- Twenty First Century Technology, Inc.
- Andrew J. Katrinecz
- G06 - COMPUTING CALCULATING COUNTING

Trademarklast 30 trademarks