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| April 2005 | Alpha model of the cirQlar™ Engine completed | |
| December 2005 | Beta model manufacturing begins | |
| June 2006 | Beta model assembly begins | |
| June 2006 | Patent #7,059,294 issued | |
| July 2006 | Glen Barton, former Chairman of Caterpillar, Inc. joins the Wright Advisory Board. | |
| August 2006 | General David Sibley, USAF retired, joins the Wright Advisory Board. | |
| October 2006 | Former Sen. Birch Bayh joins the Wright Advisory Board. | |
| November 2006 | CirQlar™ Engine fires! | |
| December 2006 | Rose Hulman Institute of Technology (RHIT) begins Chambering Disc study. | |
| February 2007 | European patent application published. | |
| March 2007 | Began remaking original Connecting and Chambering discs to replace original out of spec parts. | |
| May 2007 | RHIT concludes chambering disc study | |
| May 2007 | Began design on the second prototype (P2) | |
| September 2007 | Chinese patent application published. | |
| October 2008 | Original prototype repairs complete - began reassembly. | |
| January 2008 | Began negotiations with Kettering University for Computational Fluid Dynamics (CFD work. | |
| January 2008 | Japanese patent application published. | |
| February 2008 | Final firing of the original prototype. | |
| February 2008 | Second US patent application published. | |
| April 2008 | Began search for machine shop for P2. | |
| July 2008 | P2 design complete | |
| August 2008 | Casey Tool & Machine (CTM) begins work on P2. | |
| October 2008 | Mexican patent issued. |