Charles F. Roark

📍 Brownsburg, IN: #95 of 252 inventorsTop 40%

🗺 Indiana: #10,625 of 33,936 inventorsTop 35%

Overall (All Time): #1,685,863 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4287879	Water heating system using solar energy	—	1981-09-08
4282861	Water heating system using solar energy	—	1981-08-11
4236506	Solar energy collector	—	1980-12-02