JF

Johan Braun Friessen

📍 Tillsonburg, CA: #15 of 33 inventorsTop 50%
Overall (All Time): #2,942,399 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9635803 Metering apparatuses for sectional control Geof J. Gray, Mikhail Rodionov, John Mark Averink, Jesse Abram Dyck 2017-05-02