DC

Donald T. Campbell

HP HP: 4 patents #1,237 of 7,018Top 20%
📍 Fork Union, VA: #1 of 3 inventorsTop 35%
🗺 Virginia: #6,192 of 34,511 inventorsTop 20%
Overall (All Time): #909,428 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12298114 Air disc target 2025-05-13
5880017 Method of bumping substrates by contained paste deposition Matthew K. Schwiebert, Matthew Heydinger, Robert E. Kraft, Hubert A. Vander Plas 1999-03-09
5672542 Method of making solder balls by contained paste deposition Matthew K. Schwiebert, Matthew Heydinger, Robert E. Kraft, Hubert A. Vander Plas 1997-09-30
5586715 Method of making solder balls by contained paste deposition Matthew K. Schwiebert, Matthew Heydinger, Robert E. Kraft, Hubert A. Vander Plas 1996-12-24
5539153 Method of bumping substrates by contained paste deposition Matthew K. Schwiebert, Matthew Heydinger, Robert E. Kraft, Hubert A. Vander Plas 1996-07-23