DH

David L. Hamann

📍 Cincinnati, OH: #34 of 656 inventorsTop 6%
🗺 Ohio: #291 of 5,375 inventorsTop 6%
Overall (2004): #30,533 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6751878 APPARATUS AND METHOD FOR CREATING A DRAWING OF A THREE-DIMENSIONAL OBJECT MANUALLY AND /OR ELECTRONICALLY BY VIEWING THE OBJECT THROUGH A TRANSPARENT WINDOW PANE AND TRACING THE OBJECT ON THE TRANSPARENT WINDOW PANE 2004-06-22
6732879 Article of manufacture for the hanging of screw top bottles and tubes 2004-05-11
6689072 Biopsy needle instrument Leopold S. Kaplan, Lawrence J. Kelly 2004-02-10