JB

John Beattie

DU Dew Engineering And Development Ulc: 2 patents #9 of 29Top 35%
Overall (All Time): #1,910,266 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10683044 Track changing apparatus and methods associated therewith Colin Campbell, Guy Carrier, Camil Giguere, Michael Harris, Jr., Neil Hutton +1 more 2020-06-16
9981704 Track changing apparatus and methods associated therewith Colin Campbell, Guy Carrier, Camil Giguere, Michael Harris, Jr., Neil Hutton +1 more 2018-05-29