John A. Melin

📍 Oakland, CA: #2,828 of 4,380 inventorsTop 65%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #4,074,980 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4346968	Wall mounted visual field testing system	Russell P. Irwin, Gordon Epstein	1982-08-31