DD

David G. Doman

QT Questair Technologies: 2 patents #2 of 7Top 30%
📍 North Vancouver, CA: #3 of 48 inventorsTop 7%
Overall (2002): #69,431 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6451095 Modular pressure swing adsorption apparatus Bowie G. Keefer, Christopher R. McLean 2002-09-17
6406523 Rotary pressure swing adsorption apparatus Denis J. Connor, Les Jeziorowski, Bowie G. Keefer, Belinda Larisch, Christopher R. McLean +1 more 2002-06-18