DC

David A. Cohen

📍 Briarcliff Manor, NY: #4 of 13 inventorsTop 35%
🗺 New York: #1,258 of 5,342 inventorsTop 25%
Overall (1989): #123,632 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4816744 Method and device for measuring inside diameters using a laser interferometer and capacitance measurements David M. Papurt 1989-03-28