U.S. Trademark Manual Search Page Text and Image search page with links to options for boolean, combined marks, and number searches from ...
PAT2PDF - Free PDF copies of patents: Download and print! www.pat2pdf.org - A FREE patent search tool. Download U.S. patents (in PDF) and more! To download a copy of a ...
Free Patent Search Online - Inventors - About.com A list of online databases for a free patent search covering Canada - United States - Europe - WIPO and the EPO free ...
Delphion Research intellectual property network - international and US patent search database For international patent and us patent information, the Delphion intellectual property network's patent search database helps businesses perform intellectual property monitoring. Individual Subscriptions » Group Subscriptions » Basic Registration » Tools
USPTO 由於此網站的設置,我們無法提供該頁面的具體描述。
TheFreeDictionary.com - patent - definition of patent by the Free ... pat·ent - n. 1. a. A grant made by a government that confers upon the creator of an invention the sole right to make, use, and sell that invention for a set period of time.
US Design Patents - Free Patents Online In the United States a design patent can be granted for a "new, original, and ...
Recent US Patent Applications - Free Patents Online The USPTO publishes patent applications every Thursday. Each week ...
US Patent Reference - Community - Free Patents Online Field Name, Syntax Example and Comments. US Patent Reference, REFN / ...
US Classification - Community - Free Patents Online US Classification. A system used by the USPTO using a 3-digit class and a ...