Donald Y. Clark

📍 Central City, NE: #1 of 1 inventorsTop 100%

🗺 Nebraska: #2 of 137 inventorsTop 2%

Overall (1982): #5,319 of 81,411Top 7%

Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4340310	Control mechanism for a grain bin stirring apparatus	—	1982-07-20
4322171	Grain stirring apparatus	—	1982-03-30
4318511	Material spreader device	—	1982-03-09