David E. Coburn

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Cleveland Heights, OH: #391 of 614 inventorsTop 65%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #3,968,356 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4643271	Sound barrier	—	1987-02-17