DD

David C. Dauterman

NI Nelson Irrigation: 1 patents #37 of 42Top 90%
Overall (All Time): #4,073,603 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4342424 Combined rotary impulse sprinkler head and shut-off valve Larry P. Meyer 1982-08-03