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Science and Technology: Patents & Trademarks

Espacenet
European Patent information. Searchable databases.

Category: Science and Technology > Patents & Trademarks

United States Patent and Trademark Office
Patent and trademark information. Searchable databases, inventor resources, PTDL libraries, forms.

Category: Science and Technology > Patents & Trademarks

www.pat2pdf.org
Downloads U.S. Patent and Trademark Office patents in PDF format.

Category: Science and Technology > Patents & Trademarks

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