RE

Roger L. Erickson

SE Steffens Enterprises: 2 patents #5 of 11Top 50%
Overall (All Time): #2,092,424 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8205844 Connector assembly Charles J. Steffens 2012-06-26
D645630 Computer cart Charles J. Steffens 2011-09-20