DF

David L. Fehr

GM Graco Minnesota: 3 patents #11 of 102Top 15%
Overall (2021): #86,386 of 548,734Top 20%
3
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11174854 Electrically operated displacement pump control system and method Bradley H. Hines, Paul W. Scheierl, Brian W. Koehn, Jacob D. Higgins, Benjamin J. Paar 2021-11-16
11148152 Pump changeover algorithm for spray system John R. Ingebrand, Jeffrey U. Shaffer 2021-10-19
11045830 Spray system pump wash sequence Dennis J. Van Keulen 2021-06-29