Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD304821 S1
Publication typeGrant
Publication dateNov 28, 1989
Filing dateJul 14, 1986
Priority dateJul 14, 1986
Publication numberUS D304821 S1, US D304821S1, US-S1-D304821, USD304821 S1, USD304821S1
InventorsAlexander Ratony
Original AssigneeAlexander Ratony
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Tri-channel wing aircraft
US D304821 S1
Abstract  available in
Previous page
Next page
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6729577Dec 6, 2001May 4, 2004Lockheed Martin CorporationTail-braced wing aircraft and configurations for achieving long supersonic range and low sonic boom
US6840478 *Jan 14, 2002Jan 11, 2005Robert Jonathan CarrAircraft internal wing and design
US6848649Dec 9, 2002Feb 1, 2005Charles Gilpin ChurchmanV/STOL biplane aircraft
US6974106Apr 8, 2004Dec 13, 2005Charles Gilpin ChurchmanV/STOL biplane
US7147183Jan 22, 2004Dec 12, 2006Robert Jonathan CarrLift system for an aerial crane and propulsion system for a vehicle
US7258302Jun 18, 2004Aug 21, 2007Robert Jonathan CarrAircraft internal wing and design
US7275722 *Nov 10, 2004Oct 2, 2007Airbus Uk LimitedWing tip device
US8220737 *Jun 8, 2009Jul 17, 2012Frontline Aerospace, Inc.VTOL aerial vehicle
US8657226 *Jan 12, 2007Feb 25, 2014John William McGinnisEfficient control and stall prevention in advanced configuration aircraft
US8820673 *Jun 19, 2012Sep 2, 2014Airbus HelicoptersRotary-wing and fixed-wing aircraft
US20100224721 *Jun 8, 2009Sep 9, 2010Frontline Aerospace, Inc.Vtol aerial vehicle
US20130175383 *Jun 19, 2012Jul 11, 2013EurocopterRotary-wing and fixed-wing aircraft
WO2003059736A2 *Jan 14, 2003Jul 24, 2003Carr Robert JonathanAn aircraft internal wing and design
U.S. ClassificationD12/331, D12/319