RR

Roger J. Ross

TL The Singer Company Limited: 5 patents #46 of 510Top 10%
📍 Fort McMurray, CA: #9 of 119 inventorsTop 8%
Overall (All Time): #1,066,795 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4365568 Underbed thread trimmer and controlled single-operation cam mechanism therefor 1982-12-28
4355545 Controlled single-operation cam mechanism 1982-10-26
4235179 Underbed thread trimmer picking arm 1980-11-25
4213409 Needle bar support 1980-07-22
4187794 Sewing machine work feeding mechanism Edward J. Tullman 1980-02-12