DG

David R. Gromer

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Morton, IL: #140 of 245 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,901,653 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4921025 Carburized low silicon steel article and process Sheryl A. Tipton, Gary D. Keil, Gregory S. Holloway, Gary L. Biltgen 1990-05-01