Donald B. Schaefer, Jr.

📍 Blue Springs, MO: #8 of 19 inventorsTop 45%

🗺 Missouri: #561 of 2,150 inventorsTop 30%

Overall (2016): #414,240 of 481,213Top 90%

Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9347904	Grain-bin monitoring system	—	2016-05-24