DH

Douglas J Heller

Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
📍 Flourtown, PA: #15 of 46 inventorsTop 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,261,023 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6847001 Method for metallurgically joining a tube to a member Venkatasubramanian Ananthanarayanan, Dharmendra M. Ramachandra, Michael Froning 2005-01-25
6683623 System and method for providing and accessing educational information over a computer network James S. Cassano, Jonathan Schmalzbach 2004-01-27
D455435 Computer generated image for a display screen James S. Cassano, Jonathan Schmalzbach 2002-04-09
D455436 Computer generated image for a display screen James S. Cassano, Jonathan Schmalzbach 2002-04-09