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Austin A. Duncanson

SP Stemco Products: 2 patents #13 of 40Top 35%
SC Stemco Co.: 1 patents #30 of 74Top 45%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,511,530 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10427727 Deployable aerodynamic device for rear of a cargo body Michael W. Polidori, Jeffrey J. Grossmann, Jared A. Niemiec, Court S. Hinricher 2019-10-01
10399611 Rear aerodynamic structure for cargo bodies and actuation mechanism for the same Michael W. Polidori, Jeffrey J. Grossmann, James Matthew Barron, Kyle A. Sager 2019-09-03
9457847 Rear-mounted aerodynamic structures for cargo bodies Andrew F. Smith, Jeffrey J. Grossmann, Court S. Hinricher, Robert R. Cholnoky 2016-10-04