CR

Clifton J. Ratza

AT AT&T: 1 patents #419 of 1,481Top 30%
SD Steelcase Development: 1 patents #33 of 131Top 30%
📍 Grand Rapids, MI: #18 of 127 inventorsTop 15%
🗺 Michigan: #677 of 6,370 inventorsTop 15%
Overall (2003): #72,092 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6648419 Shock absorbing seat Jeffrey S. Wilcox, Trent A. Eekhoff 2003-11-18
6644751 Shock absorbing seat Jeffrey S. Wilcox, Trent A. Eekhoff 2003-11-11