GH

George H. Heidinger

PC Peabody Coal: 2 patents #1 of 5Top 20%
📍 Chester, IL: #1 of 6 inventorsTop 20%
🗺 Illinois: #289 of 3,813 inventorsTop 8%
Overall (1989): #27,340 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4876514 Switching and testing system Vernon C. Evans 1989-10-24
4841159 Switching and testing system Vernon C. Evans 1989-06-20