The FreePatentsOnline search engine is a patent search engine on the web.
The search allows advanced search techniques such as word stemming, proximity searching, relevancy ranking and search term weighting to help visitors find exactly what they are looking for.
The account features let visitors organize, annotate and share documents, and alerts let visitors instantly be notified when new documents of interest are published. All documents are available in a highly-compressed PDF format for fast downloading, with or without searchable text.
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