DH

David Hacker

BS Binney & Smith: 1 patents #1 of 4Top 25%
📍 Cass City, MI: #1 of 8 inventorsTop 15%
🗺 Michigan: #1,566 of 6,092 inventorsTop 30%
Overall (2004): #239,740 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6815471 Erasable colored pencil lead Jacob Leidner 2004-11-09