DH

David D. Hedstrom

JE Jerr-Dan: 2 patents #7 of 27Top 30%
NA New Holland North America: 1 patents #25 of 69Top 40%
Overall (All Time): #1,613,684 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6336783 Advanced rollback wheel-lift Charles E. Young 2002-01-08
5951235 Advanced rollback wheel-lift Charles E. Young 1999-09-14
4724661 Two piece crop harvesting header and flotation mechanism therefor Edward A. Blakeslee, Ernest A. Schoeneberger 1988-02-16