Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Control device for use in sewing buttonholes

Control device for use in sewing buttonholes

US Patent 4196680 · Granted Apr 8, 1980

Estimated economic value: $859,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Disc brake rotor assembly2024
Wheel end apparatus with electric generator2022
Disc brake tone ring2020
Disc brake rotor assembly2019
Disc brake tone ring2018
Nesting clamps for electrical components2000
Composite feed dog for a sewing machine1988
Buttonhole sewing repair1984
Chain stitch conversion for lock stitch sewing machine1981
Throat plate with thread separator rib1980
Blind stitch mechanism1980