JK

John Karchewski

BI Brandt Industries: 1 patents #13 of 34Top 40%
📍 Regina, CA: #73 of 252 inventorsTop 30%
Overall (All Time): #2,312,407 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5158145 Cultivator 1992-10-27
4944355 Caster wheel control apparatus 1990-07-31