DH

Donald R. Hughes

GT Greenleaf Technology: 1 patents #1 of 2Top 50%
📍 Meadville, PA: #4 of 12 inventorsTop 35%
🗺 Pennsylvania: #2,519 of 7,891 inventorsTop 35%
Overall (2019): #483,543 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10352001 Rail re-profiling method and apparatus Charles D. Grabowski 2019-07-16