Which sewing machine company has held a patent on the mechanism that creates the blanket stitch since its introduction in 1877 (the most recent patent renewal was in 2007), and is involved in litigation with several Chinese firms who are accused of violating their intellectual property rights?
Blanket stitch together, as traditionally done by indigenous American cultures, and even for weaving basket rims. The whipstitch is also a type of surgical suturing stitch. When done by machine, it may be called a whip stitch or, sometimes, a Merrow Crochet Stitch, after the first sewing machine that was used to sew a blanket stitch. This machine was produced and patented by the Merrow Machine Company in 1877. The defining characteristic of the crochet machine is its ability to sew with yarn and stitch thick goods with a consistent overlock edge. From 1877 to 1925 the machine evolved dramatically, and consequently
Sewing Machine Combination Sewing Machine Combination The Sewing Machine Combination or the Sewing Machine Trust was the first patent pool in US history. It was formed by the "Albany Agreement" of 24 October 1856 and lasted until its last patent expired in 1877. It existed for the purpose of reducing the licensing and litigation overhead being imposed by the patent thicket known as the Sewing machine war. Prior to the Sewing Machine Combination, companies could purchase rights from Elias Howe for a royalty fee of $25 for every machine sold. In 1856, president of the Grover & Baker company, Orlando B. Potter, worked