SE

Sidney A. Ellingstad

3M: 4 patents #3,441 of 11,543Top 30%
📍 Eau Claire, WI: #82 of 370 inventorsTop 25%
🗺 Wisconsin: #10,776 of 40,088 inventorsTop 30%
Overall (All Time): #1,166,031 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10618234 Retroreflective sheeting Kenneth L. Smith, James R. Imbertson, John C. Kelliher, John A. Worrell 2020-04-14
9878507 Retroflective sheeting Kenneth L. Smith, James R. Imbertson, John C. Kelliher, John A. Worrell 2018-01-30
8783879 Retroreflective sheeting Kenneth L. Smith, James R. Imbertson, John C. Kelliher, John A. Worrell 2014-07-22
8371703 Retroreflective sheeting Kenneth L. Smith, James R. Imbertson, John C. Kelliher, John A. Worrell 2013-02-12