DH

David T. Hearst

📍 Chardon, OH: #7 of 22 inventorsTop 35%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #123,001 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4827643 Identification device for a container Walter Schneider 1989-05-09