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

Denis S. Drummond — 7 Patents

SDSdgi: 3 patents #67 of 210Top 35%
Zimmer: 1 patents #602 of 1,039Top 60%
Madison, WI: #726 of 4,527 inventorsTop 20%
Wisconsin: #6,850 of 40,088 inventorsTop 20%
Overall (All Time): #760,135 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6402751 Device for linking adjacent rods in spinal instrumentation James Van Hoeck, David L. Brumfield, M. Neil Anderson, Michael C. Sherman 2002-06-11
6136003 Device for linking adjacent rods in spinal instrumentation James Van Hoeck, David L. Brumfield, M. Neil Anderson, Michael C. Sherman 2000-10-24
6113600 Device for linking adjacent rods in spinal instrumentation James Van Hoeck, David L. Brumfield, M. Neil Anderson, Michael C. Sherman 2000-09-05
5947966 Device for linking adjacent rods in spinal instrumentation Troy D. Drewry, Michael C. Sherman, James E. Van Hoeck, David L. Brumfield, M. Neil Anderson 1999-09-07
4411259 Apparatus for engaging a hook assembly to a spinal column 1983-10-25
4409968 Method and apparatus for engaging a hook assembly to a spinal column 1983-10-18
D265683 Windowed hook holder Michael R. Mayock 1982-08-03