DE

Dale F. Engelhardt

General Motors: 2 patents #6,250 of 18,328Top 35%
📍 Orland Park, IL: #129 of 351 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,319,808 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5071301 Modified rolled thread form for studs Christian A. Wehlus 1991-12-10
5062393 Engine cylinder liner, seals and assembly therewith Stephen Smith 1991-11-05