RR

Richard W. Rentfrow

AT Alliant Techsystems: 1 patents #285 of 658Top 45%
HO Honeywell: 1 patents #7,507 of 14,447Top 55%
📍 Plymouth, MN: #766 of 1,545 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,200,446 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6539871 Degradable practice mine Scott A. Englar, Wesley G. Marquette, Robert E. Long 2003-04-01
4471698 Mass-spring rainhead Edwin M. Stryker 1984-09-18