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USPTO Patent Rankings Data through Sept 30, 2025
DD

Donald J. Dougherty

Callaway, VA: #2 of 5 inventorsTop 40%
Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #3,776,319 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5436976 Omni-directional stereo speaker 1995-07-25