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Jeffrey U. Shaffer

GM Graco Minnesota: 2 patents #181 of 381Top 50%
Overall (All Time): #1,890,205 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11148152 Pump changeover algorithm for spray system David L. Fehr, John R. Ingebrand 2021-10-19
10195621 Pump changeover algorithm for spray system David L. Fehr, John R. Ingebrand 2019-02-05