SD

Steven Drucker

📍 Oakland, CA: #6 of 95 inventorsTop 7%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #15,543 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4831275 Method and means for self-referencing and self-focusing a bar-code reader 1989-05-16
4818886 Method and apparatus for self-referencing and self-focusing a bar-code reader 1989-04-04