David Free

📍 Fullerton, CA: #285 of 1,038 inventorsTop 30%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,646,779 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5503800	Ultra-violet sterilizing system for waste water	—	1996-04-02
4528233	Photographic mounting process and composition	—	1985-07-09
4410386	Photographic mounting process and composition	—	1983-10-18