DR

Douglas S. Rodenkirch

HD Hos Development: 1 patents #1 of 7Top 15%
📍 Sun Prairie, WI: #8 of 29 inventorsTop 30%
🗺 Wisconsin: #744 of 2,880 inventorsTop 30%
Overall (2005): #209,502 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D512534 Protective helmet Larry E. Maddux, Raymond J. Drake, Jr., David E. Barnard, Williams C. Lindeman, Richard A. Nelipovich +1 more 2005-12-06