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Pexels provides media for online download, maintaining a library that contains over 3.2 million photos and videos, growing each month by roughly 200,000 files. [1] The content is uploaded by the users and reviewed manually. Using and downloading the media is free, the website generates income through advertisements for paid content databases.
Pixabay.com is a free stock photography and royalty-free stock media website. It is used for sharing photos, illustrations, vector graphics, film footage, stock music and sound effects, exclusively under the custom Pixabay Content License, which generally allows the free use of the material with some restrictions. [1][2][3] You can use the site ...
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.
Free, Dronestagram is a photo sharing community dedicated to drone photography. The site that has been described as " Instagram for drones ", allows hobbyists to share their geo-referenced aerial photos and videos. [5] Since 20 May 2013, 1TB free, 200MB per image, all photos display, original files downloadable.
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 ...
Allows free querying of the bing Image Search API up to a certain limit per day. Everystockphoto.com – Searching over 4.3 million public domain and creative commons photos including Wikipedia and NASA. Free user accounts with drag and drop collections, and other features. Google Image Search – Advanced search can search for free licensed or ...
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