JH

Jack D. Hefling

SS Seed Research Equipment Solutions: 1 patents #2 of 3Top 70%
📍 Mount Hope, KS: #2 of 3 inventorsTop 70%
🗺 Kansas: #4,268 of 12,005 inventorsTop 40%
Overall (All Time): #2,205,962 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6615754 Vacuum seed planter for test plots and method of use Stacy L. Unruh, Edward A. Spexarth 2003-09-09
D258640 Combined rain and wind gauge — 1981-03-24