2011 ASPE Technical Symposium & Product Show
ASPE's Chicago chapter held its local technical symposium and product show in Niles, Ill. Here is the ribbon cutting and interview with original charter member, Don Johnson |
Plumbing Engineer editor, John Mesenbrink, interviews ASPE's original charter member, Don Johnson, at the organization's local technical symposium and product show in Niles, Ill. |
Viega's Michael Haney demonstrates a pressing demo at the ASPE local technical symposium and product show in Niles, Ill. |








