John Tymkewicz

📍 Cleveland, OH: #10 of 50 inventorsTop 20%

🗺 Ohio: #490 of 2,550 inventorsTop 20%

Overall (1982): #51,109 of 81,411Top 65%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4355911	Surface temperature sensing device	—	1982-10-26