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USPTO Patent Rankings Data through Sept 30, 2025
DC

David Alan Cabalka

HMHenderson Manufacturing: 1 patents #1 of 7Top 15%
Manchester, IA: #1 of 3 inventorsTop 35%
Iowa: #239 of 1,101 inventorsTop 25%
Overall (2003): #243,817 of 273,478Top 90%
1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6585472 Combination dump and spreader apparatus Mark S. Hollinrake, Timothy Ray Schenk, Terry J. Sommerfelt, Thomas E. Amthauer, Marc E. Cabalka +1 more 2003-07-01