HK

Howard A. Kneeland

📍 Silver Bay, MN: #4 of 16 inventorsTop 25%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,870,257 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4993664 Equilibrium ballast apparatus for lighter-than-air balloons and method for using same — 1991-02-19