http://debianws.lexgopc.com/wiki143/index.php?action=history&feed=atom&title=File%3AVortexEngine.gifFile:VortexEngine.gif - Revision history2026-10-26T05:12:23ZRevision history for this page on the wikiMediaWiki 1.43.1http://debianws.lexgopc.com/wiki143/index.php?title=File:VortexEngine.gif&diff=4769608&oldid=previmported>Wikiacc: do not move to Commons (via WP:JWB)2020-06-08T04:12:23Z<p>do not move to Commons (via <a href="/wiki143/index.php?title=WP:JWB&action=edit&redlink=1" class="new" title="WP:JWB (page does not exist)">WP:JWB</a>)</p>
<p><b>New page</b></p><div>== Summary ==<br />
{{Information<br />
| description = This is Fig 4. of "Atmospheric Vortex Engine", US Patent Pub. No. US2004/01112055, Published June 17, 2004. Although the invention described by the picture is patented and its manufacture may have commercial restrictions, the figure describing the invention is in the public domain as a condition of issue. The patent is available from numerous on-line links, including the U.S. Patent Office.<br />
| source = This is Fig 4. of "Atmospheric Vortex Engine", US Patent Pub. No. US2004/01112055,<br />
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== Licensing ==<br />
{{PD-US-patent}}<br />
{{Do not move to Commons|reason=US patent published without a copyright notice after March 1, 1989.}}</div>imported>Wikiacc