MF

Martin F. Friedberg

📍 Rosemont, IL: #5 of 30 inventorsTop 20%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #781,071 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12298535 Sequin system and method 2025-05-13
11041977 Optical printing positional system 2021-06-22
RE31487 Slide fastener with improved end connections 1984-01-10
4326319 Slide fastener with improved end connections 1982-04-27
4232429 Sliding fastener 1980-11-11
4232430 Device for connecting the ends of a separable zipper 1980-11-11