Description:
Free Patents Online (FPO) provides a searchable database of patent records. The site was established by patent searcher James Ryley and includes US and European patents and abstracts of Japanese patents. The database currently holds all patents published by the United States Patent and Trademark Office (USPTO) since December 1976. Images can be viewed in PDF or TIFF formats. There is background information on patents and trademarks and help with using the database.
Connect to resource:
Keywords controlled:
Type of resource:
Classification:
Country of origin: