Lawrence M. Douglas

PO Polaroid: 24 patents #13 of 898Top 2%

📍 South Easton, MA: #2 of 54 inventorsTop 4%

🗺 Massachusetts: #3,693 of 88,656 inventorsTop 5%

Overall (All Time): #147,583 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4212524	Varying frictional forces on a film advancing apparatus	—	1980-07-15
4200367	Projector	—	1980-04-29