MJ

Mark C. Johnson

BS Ballard Power Systems: 2 patents #12 of 160Top 8%
📍 South Burlington, VT: #25 of 169 inventorsTop 15%
🗺 Vermont: #71 of 578 inventorsTop 15%
Overall (2003): #25,792 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6613464 Method and apparatus for reducing reactant crossover in a liquid feed electrochemical fuel cell David P. Wilkinson, Kevin Colbow, Stephen A. Campbell 2003-09-02
6589033 Unitary sliding vane compressor-expander and electrical generation system Eric R. Miller, Jason Addink, Jorge Luis Rosales, Bradley B. Rogers 2003-07-08
6586128 Differential pressure fluid flow fields for fuel cells David P. Wilkinson, John Kenna, Olen Vanderleeden, Joerg Zimmerman, Mehrzad Tabatabaian 2003-07-01