Inventor

PORTER OSWALD M

3 patents

Patents

3 patents

US3961298AJun 1, 1976

Dual plunger solenoid

SINGER CO36 citations90

US4048932ASep 20, 1977

Bight stop mechanism for sewing machines

SINGER CO13 citations72

US4167912ASep 18, 1979

Sewing machine stitch length override and feed balance for digital feed actuators

SINGER CO6 citations55