John H. Chastain, Jr.

DC Donaldson Company: 1 patents #454 of 695Top 70%

📍 Minneapolis, MN: #3,628 of 6,114 inventorsTop 60%

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Showing 1–1 of 1 patents

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