DP

David M. Papurt

📍 Cambridge, MA: #2,070 of 8,183 inventorsTop 30%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,057,719 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5314447 Male condom device and method of using same 1994-05-24
5070890 Male condom device and method of using same 1991-12-10
4816744 Method and device for measuring inside diameters using a laser interferometer and capacitance measurements David A. Cohen 1989-03-28
4775236 Laser based roundness and diameter gaging system and method of using same David A. Cohen 1988-10-04
4678337 Laser based gaging system and method of using same David A. Cohen 1987-07-07