DF

David H. Ferry

📍 Ramona, CA: #17 of 63 inventorsTop 30%
🗺 California: #14,783 of 41,698 inventorsTop 40%
Overall (2011): #324,081 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7929235 Method and system for distinguishing spatial and thermal defects on perpendicular media Stephen F. Meier, Hassan Jalalian 2011-04-19