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USPTO Patent Rankings Data through Dec 31, 2025
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Don E. Graffam — 1 Patent

SISignode: 1 patents #44 of 86Top 55%
Barrington, IL: #467 of 767 inventorsTop 65%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Don E. Graffam has been granted 1 US patent while listed as an inventor at Signode. All of these patents were granted in 1986. Don E. Graffam ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Don E. Graffam in Barrington, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4612225 Structural panel Lawrence L. Lezon, Arthur R. Slaters, Jr. 1986-09-16