John Ellis

📍 Chicago, IL: #69 of 289 inventorsTop 25%

🗺 Illinois: #566 of 2,749 inventorsTop 25%

Overall (1982): #53,316 of 81,411Top 70%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4332087	V-Belt measuring device	—	1982-06-01