MJ

Michael James Johnstone

RO Rovcal: 1 patents #14 of 32Top 45%
📍 Madison, WI: #72 of 283 inventorsTop 30%
🗺 Wisconsin: #744 of 2,880 inventorsTop 30%
Overall (2005): #137,197 of 245,428Top 60%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6938775 Button cell battery pack with air access channel Robert C. Gaffney, Rodney McKenzie, Marc Syvertsen, Jeffrey W. Schmoeger, Robert G. Reidl +3 more 2005-09-06