JJ

John H. Chastain, Jr.

DC Donaldson Company: 1 patents #41 of 121Top 35%
📍 Minneapolis, MN: #271 of 881 inventorsTop 35%
🗺 Minnesota: #2,366 of 6,876 inventorsTop 35%
Overall (2022): #399,641 of 548,613Top 75%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11478736 Precleaner arrangement for use in air filtration and methods Daryl L. Quam, Eric P. O'Hara 2022-10-25