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A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...
Marshall Field and Company Store is a building in Oak Park, Illinois that was added to the National Register of Historic Places on January 21, 1988. It is one of the two locations (along with the Evanston location) that the company chose to expand to when it decided to add suburban stores. [ 2 ]
U.S. patent 390,414 - Dynamo Electric Machine - 1888 October 2 - Related to the patents of Tesla and Charles F. Peck, numbers: US381968 and US382280; Ordinary forms of continuous and alternate current systems may be adapted to Tesla's system, with slight changes to the systems; Effects their forms; Only the best and most practical solutions are ...
A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but ...
[13] [14] Robbins most probably had drawings done by Robert Washington Fenwick, his apprentice artist. [15] Robbins filed the application on March 10, 1849, [13] which was granted as Patent No. 6,469 on May 22, 1849. [16] Lincoln's patent is the result of Offutt's flat-boat experience he had back in 1831. [17]
The USPTO web site provides free electronic copies of issued patents and patent applications as multiple-page TIFF (graphic) documents. The site also provides Boolean search and analysis tools. [100] The USPTO's free distribution service only distributes the patent documents as a set of TIFF files. [101]
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