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

Derrick Witcher

PRProdigene: 1 patents #7 of 21Top 35%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Urbandale, IA: #75 of 202 inventorsTop 40%
Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,639,511 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5824870 Commercial production of aprotinin in plants Chris Baszczynski, Thomas H. Czapla, Elizabeth Hood, Terry EuClaire Meyer, David J. Peterson +3 more 1998-10-20
5804694 Commercial production of .beta.-glucuronidase in plants Wesley B. Bruce, Elizabeth Hood, David J. Peterson, James C. Register, III, John Howard 1998-09-08
5767379 Commercial production of avidin in plants Chris Baszczynski, Elizabeth Hood, Sheila E. Maddock, Terry EuClaire Meyer, James C. Register, III +1 more 1998-06-16