JK

John J. Kirby

PM Porter Sewing Machines: 1 patents #3 of 3Top 100%
🗺 Massachusetts: #1,083 of 4,501 inventorsTop 25%
Overall (1997): #128,223 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5678502 Variable walking foot apparatus for a sewing machine for mattresses Charles E. Mulcahey, Michael R. Porter 1997-10-21