DS

Daniel B. Steffen

HC Hoffman Controls: 1 patents #2 of 3Top 70%
📍 Plano, TX: #151 of 471 inventorsTop 35%
🗺 Texas: #2,374 of 8,731 inventorsTop 30%
Overall (2004): #236,432 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6684944 Variable speed fan motor control for forced air heating/cooling system Howard P. Byrnes 2004-02-03