SM

Steven Marcangelo

PM Porter Sewing Machines: 1 patents #1 of 3Top 35%
📍 Chelmsford, MA: #6 of 41 inventorsTop 15%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #55,174 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4825787 Method and apparatus for guiding fabric to a sewing machine Edward S. Babson, Thomas G. Brophy 1989-05-02