MANKATO, MINN. – Jon Rippke, P.E., Chairman of the Board of the engineering firm Bolton & Menk, Inc., headquartered in Mankato, Minnesota, retired at the end of 2013 after 40…
Serving the Midwest Aviation Community Since 1978
MANKATO, MINN. – Jon Rippke, P.E., Chairman of the Board of the engineering firm Bolton & Menk, Inc., headquartered in Mankato, Minnesota, retired at the end of 2013 after 40…