Roy A. Fricke

📍 River Forest, IL: #64 of 150 inventorsTop 45%

🗺 Illinois: #34,584 of 84,256 inventorsTop 45%

Overall (All Time): #2,373,409 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4236902	Modular air purifying device	—	1980-12-02
4202141	Two way spark plug cleaner and method	—	1980-05-13