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Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
Dzus fastener, from US Patent 1955740.png 491 × 737; 111 KB. Electrovoice-constant-directivity-horn-1975.jpg 672 × 537; 42 KB. Ellipsoid Patent.jpg 383 × 329; 86 KB. Entity-centric knowledge discovery Figure 3.png 2,743 × 2,383; 130 KB. Example of early Additional Improvement Patent from 1838.jpg 742 × 1,090; 36 KB.
t. e. The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark registration authority for the United States. The USPTO's headquarters are in Alexandria, Virginia, after a 2005 move from the Crystal City area of neighboring Arlington, Virginia.
Patent Application Information Retrieval (PAIR) is an online service provided by the United States Patent and Trademark Office to allow users to see the prosecution histories of United States patents and patent applications and obtain copies of documents filed therein. There are two services: Public PAIR, which allows the general public to ...
Online and developing. PATENTSCOPE is a global patent database and search system developed and maintained by the World Intellectual Property Organization. It provides free and open access to a vast collection of international patent documents, including patent applications, granted patents, and related technical information.
Espacenet (formerly stylized as esp@cenet) [1][2] is a free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation. Most member states have an Espacenet service in their national language, and access to the EPO ...
1 (mandatory) The US patent number without commas; for numeric-only values, commas will be inserted by the template. While the USPTO parser ignores commas, other services (notably Google Patents) cannot handle them. For design or reissued patents prefix with D or RE, respectively; see Patent Search Help for the full list. 2 (optional) Link title.
The Lens, formerly called Patent Lens, is a free searcheable online patent and scholarly literature database, provided by Cambia, an Australia -based non-profit organization. The Lens has been hailed as the “most comprehensive scholarly literature database, that exceeds in its width and depth two leading commercial databases (Web of Science ...
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