DH

David N. Heilman

Ford: 3 patents #4,965 of 17,473Top 30%
📍 Monroe, MI: #61 of 249 inventorsTop 25%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,644,801 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5667897 Plate glass edge strength Amin H. Hashemi 1997-09-16
5545277 Plate glass edge strength Amin H. Hashemi 1996-08-13
5525138 Determination of tensile membrane stress and compressive layer thickness in tempered glass using a CO.sub.2 laser beam Amin H. Hashemi 1996-06-11