FJ

Frank A. Janezich

DC Donaldson Company: 2 patents #358 of 695Top 55%
📍 Richfield, MN: #117 of 268 inventorsTop 45%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,368,857 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4243397 Air cleaner with replaceable filter element Joseph C. Tokar 1981-01-06
4211543 Air cleaner with replaceable filter element Joseph C. Tokar 1980-07-08