La Von P. Grotto

📍 Litchfield, MN: #66 of 107 inventorsTop 65%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,979,577 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4684458	Grain cleaning auger	—	1987-08-04