Patents for Invention
- 2008-014699:
- 2007-271465:
- 2007-270320:
- 2007-212326:
- 2007-139466:
- 2007-046933:
- 2006-234389:
- 2006-018393:
- 2005-345161:
- 2005-331440:
- 2004-334301:
- 2004-334266:
- 2001-152397:
- 2000-275206:
- 2000-146847:
- 2000-111510:
- 2000-105192:
- 11-160271:
- 11-037967:
- 07-332916:
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