Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DG

Dwight D. Grady — 1 Patent

SPSonoco Products: 1 patents #75 of 151Top 50%
Hartsville, SC: #76 of 141 inventorsTop 55%
South Carolina: #8,412 of 15,501 inventorsTop 55%
Overall (All Time): #4,090,498 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4270475 Method of forming a flush-sided container Wade D. Fletcher, Edward McMahon 1981-06-02