Marcia Boyle Johnson

📍 Clarksville, OH: #3 of 4 inventorsTop 75%

🗺 Ohio: #2,246 of 7,013 inventorsTop 35%

Overall (2017): #323,328 of 506,227Top 65%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9719223	Sifting pick-up device	—	2017-08-01