en The History of the Piston Aircraft Thu, 01 Mar 2018 00:00:00 -0500 Aviation has made leaps and bounds in technology in the past 120 years from wo Default Our Blogs Terms and Conditions Mon, 01 Nov 2010 12:39:14 -0400 All purchases at the foregoing price quote are made through Sergeant Enterprises Inc. dba Sergeant Oil andamp Gas and39Sellerand39 and are subject to the following general terms and conditions SELLERand39S REPRESENT Policies and Information Conditions of Use Mon, 01 Nov 2010 12:19:49 -0400 Policies and Information Sergeant Oil and Gas Est 1976 Mon, 01 Nov 2010 11:34:03 -0400 About the CompanySergeant Oil andamp Gas Co was originally organized in September 1975 as a wholly owned subsidiary of Chemical Exchange Industries Inc. SOGandrsquos business strategy was to purchase and resell or blend and sell pe Policies and Information