DM

David Marquardt

SP Speedfam-Ipec: 2 patents #3 of 38Top 8%
📍 Scottsdale, AZ: #17 of 234 inventorsTop 8%
🗺 Arizona: #256 of 2,283 inventorsTop 15%
Overall (2004): #68,298 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6796887 Wear ring assembly — 2004-09-28
6758939 Laminated wear ring Wayne Lougher, Stephen C. Schultz 2004-07-06