JB

John J. Brockman

PM Porous Media: 1 patents #21 of 35Top 60%
📍 Windom, MN: #1,757 of 2,819 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,652,441 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5916435 Conical coreless filter assembly and element Michael R. Spearman 1999-06-29