John H. Walker

📍 Beatrice, NE: #3 of 6 inventorsTop 50%

🗺 Nebraska: #155 of 552 inventorsTop 30%

Overall (2017): #361,947 of 506,227Top 75%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9786152	Septic overflow warning system	—	2017-10-10