DH

Donald J. Hackman

📍 Columbus, OH: #13 of 200 inventorsTop 7%
🗺 Ohio: #711 of 5,754 inventorsTop 15%
Overall (2002): #67,634 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D462247 Toggle actuated sheet metal end shear 2002-09-03
D458372 Combination disc cutter and spinal vertebral spreader Robert Dixon 2002-06-04