RJ

Robert D. Johnston

DC Donaldson Company: 2 patents #20 of 157Top 15%
📍 Lakeville, MN: #14 of 72 inventorsTop 20%
🗺 Minnesota: #1,136 of 6,752 inventorsTop 20%
Overall (2023): #114,513 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11684882 Air cleaner assemblies and methods of use Steven K. Campbell, David J. Burton, Benny K. Nelson, Timothy J. Wessels, Daniel E. Adamek 2023-06-27
11660558 Filter cartridges; air cleaner assemblies; housings; features; components; and, methods Daniel E. Adamek, Scott M. Brown, Matthew A. Kalis, Richard P. Manahan 2023-05-30