Search U.S. Patents
U.S. Patents is no longer available through COS.com.
For U.S. Patent information, try visiting www.uspto.gov.
COS' parent company, ProQuest, provides seamless access to more than 125 billion digital pages of the world's scholarship, delivering it to the desktop and into the workflow of serious researchers in multiple fields, from arts, literature, and social science to science, technology, and medicine.
To discover the ProQuest resources that will be most valuable to you, visit www.proquest.com.
©2012, ProQuest LLC All rights reserved