DS

David R. Sigler

General Motors: 2 patents #260 of 1,406Top 20%
📍 Shelby Charter Township, MI: #13 of 86 inventorsTop 20%
🗺 Michigan: #1,461 of 9,276 inventorsTop 20%
Overall (2022): #165,937 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11524358 Mechanical performance of al-steel weld joints Amberlee S. Haselhuhn, Blair E. Carlson, Michael J. Karagoulis 2022-12-13
11471972 Combined stackup apparatus for resistance spot welding Amberlee S. Haselhuhn, Robert T. Szymanski 2022-10-18