MJ

Michael James Johnstone

RO Rovcal: 1 patents #45 of 92Top 50%
Overall (All Time): #1,532,115 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8844206 Mobile truck-mounted performance stage on a hydraulic lift 2014-09-30
D707365 Truck-mounted performance stage 2014-06-17
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