	56 "4-in-1" Vacuum Engines" built by Students at North Dakota State College of Science in Wahpeton, North Dakota
"Bill" 4-Cycle Gas Engine built by Reg Miller of St. Thomas, Ontario Canada 08/09
	"Howell V-Twin" Engine SN-059 built by Ron Schindele of Prescott Valley, Arizona
"Vickie Stirling Engine" built by Olaf Vonstritzky of Trenton, Michigan
	"Vintage Stirling Engine" built by Ken Hollenbeck of Sister Bay, Wisconsin
"4-In-1" Vacuum Engine built by Joe Kalke of Maryville, Tennessee 01/07
	"Super Stirling Engine Fan" built by Andy Hidley of Weatherly, Pennsylvania 01/08
"Beamer" Stirling Cycle Engine built by John Mallak of Hutchinson, Minnesota 10/08
	"Miser" Stirling Cycle Engine built by Norm Tramba of Mesa, Arizona 10/08
"4-In-1" Vacuum Engine built by Donald Bird III of Lacombe, Lousiana 05/09