【URL】 http://www.uspto.gov/main/trademarks.htm
【收费情况】 免费
【简介】
TESS contains more than 3 million pending, registered and dead federal trademarks of USPTO.
TESS is intended for use by the general public. Bulk data may be purchased from USPTO at cost.
Summary by 李晓霞 on 2004-11-23
Last updated by 李晓霞 on 2005-11-04