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Patent ot PDF
- Pat2PDF: PDF. Coverage: US and European patents, US patent applications. Cost: varies, but all patent documents below USPN 1,000,000 are free.
- PAT2PDF: PDF. Coverage: All issued US Patents. Search interface: patent number. Can search multiple patent numbers at once. Cost: FREE.
- Freepatentsonline: DF or TIFF. Coverage: US patents published by the USPTO since patent number 4,000,000. Search interface: boolean or patent number. Cost: FREE.
- Patent Logistics: U.S. Patent and published Patent Applications. Cost: FREE.
- ASITRI: Search for a patent by patent number, get web page with said patent's abstract and basic information, along with abstract and basic information of its references, all with links to download copies of said patents by PDFs. Interesting site. Cost: FREE.
- Patent Reader: PDF. US-only. Download multiple patent numbers at one time. Cost: FREE.
- BrainDex: PDF copies. US, PCT, EPO, Germany, Japan, United Kingdom, France, Spain, Italy, Belgium, Netherlands, Russia, Austria and others. Cost: FREE.
