JE

John D. Echols

📍 Wilkinsburg, PA: #4 of 23 inventorsTop 20%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #95,725 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4871307 Flame ignition and monitoring system and method George W. Harris, Jr. 1989-10-03