WM

William E. Martinson

ST Steiger Tractor: 3 patents #1 of 8Top 15%
Overall (All Time): #1,680,904 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4467706 Environmental control for tractor cab Barry D. Batcheller 1984-08-28
4425620 Electrical control for power shift transmission Barry D. Batcheller 1984-01-10
4421190 Overhead instrument console Michael A. Tuchscherer 1983-12-20