DH

David J. Hajdyla

General Motors: 2 patents #6,250 of 18,328Top 35%
📍 Canton, MI: #1,059 of 2,230 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,800,703 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11598253 Pneumatic resonator and accumulator system for control of turbocharger wastegate movement Lisa M. Marcella-O'Leary, Grant W. Brady, Bret J. Kukulis, Robert S. McAlpine 2023-03-07
7863843 Cold rattle reduction control system Goro Tamai, Frank W. Schipperijn, William L. Aldrich, III, Dean A. Hauersperger, Steven A. Tervo 2011-01-04