Fred M. Black

📍 Greensboro, NC: #553 of 1,557 inventorsTop 40%

🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%

Overall (All Time): #2,322,721 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4912442	Scanned electromechanical alphanumeric display	—	1990-03-27
4761905	Scanned electromechanical display	—	1988-08-09