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USPTO Patent Rankings Data through Dec 31, 2025
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DeRay G. Steffensen — 2 Patents

UTUtilimaster: 2 patents #2 of 12Top 20%
Goshen, IN: #118 of 306 inventorsTop 40%
Indiana: #13,817 of 33,936 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
DeRay G. Steffensen has been granted 2 US patents while listed as an inventor at Utilimaster. All of these patents were granted in 2002. DeRay G. Steffensen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list DeRay G. Steffensen in Goshen, IN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6487979 Stowable shelf assembly David Ash, John E. Knudtson, Gene A. Dylewski 2002-12-03
6398283 Movable cargo tray apparatus John E. Knudtson, David Ash, Gene A. Dylewski, Nevin L. Martin, Jr. 2002-06-04