Martha G. Cohen

📍 Long Valley, NJ: #83 of 243 inventorsTop 35%

🗺 New Jersey: #23,480 of 69,400 inventorsTop 35%

Overall (All Time): #1,661,233 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5110296	Educational device for teaching a child to tie a bow	—	1992-05-05
5040986	Educational device for teaching handwriting skills	—	1991-08-20
4822284	Educational appliance for teaching handwriting skills	—	1989-04-18