DH

David A. Heiner

📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,303,760 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7802337 Retractable ramp Linda van Roosmalen, Francis S. Glogowski, Robert S. Jamison, III, Peter D. Horvath, Steven Paul Walker 2010-09-28