KR

Keith R. Rollenghagen

📍 Walker, MI: #31 of 58 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,514,770 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6580971 Multipoint inspection system Shayne J. Bunn, James O. Jongekryg 2003-06-17