DD

Duane R. Deardorff

SP Sperry: 1 patents #355 of 841Top 45%
NA New Holland North America: 1 patents #25 of 69Top 40%
📍 Ephrata, PA: #57 of 139 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,337,128 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4748803 Windrow turner discharge chute Hugh J. MacMaster, Barry L. Getz 1988-06-07
4213571 Dust system for a grinder-mixer William W. Mann 1980-07-22