Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Lockswitch sewing machine having a rotary hook

Lockswitch sewing machine having a rotary hook

US Patent 4691650 · Granted Sep 8, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lower feed dog lifting, lowering, and horizontal coupling1994
Thread cutting device on a sewing machine1992
Sewing machine with a lamp1992
Positioning device for sewing machine main shaft1987
Lockstitch sewing machine with a rotary hook1987
Thread cutting device in lockstitch sewing machines1986
Needle bar detachable drive and stroke adjusting mechanism1986
Material presser device for a sewing machine1985
Detachable drive for sewing machine trimming knife1984
Top feed device for a sewing machine1983