DS

David A. Sopchak

📍 Oakland, CA: #261 of 806 inventorsTop 35%
🗺 California: #19,344 of 55,090 inventorsTop 40%
Overall (2025): #408,620 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12221685 Diamond-like carbon materials and methods of making diamond-like carbon materials 2025-02-11