Douglas A. Leischer

📍 Pierre, SD: #16 of 28 inventorsTop 60%

🗺 South Dakota: #1,077 of 2,308 inventorsTop 50%

Overall (All Time): #3,990,907 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4571859	Notched ditcher chain tooth	—	1986-02-25